tony buys a pair of running shoes for $80. he pays 9% sales tax. How much does the pair of running shoes cost in total.

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Answer 1
Answer: write an equation first

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A submarine is at 756 feet.How many feet will it need to rise to be at the suface

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It needs to rise 756 feet...

0 is at the surface.... The submarine is 756 feet down. So, to get to the surface it needs to go up 756 to reach 0. 
Its simple intigers its -756 so to go to 0 witch is surface it needs to add or rise 756 to rise to surface

How do i find the volume of a square pyramid

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Answer:   To find the volume of a square-based pyramid, use the formula V = A(h/3), where V is the volume and A is the area of the base.

Step-by-step explanation:  

Answer:

To find the volume of a square-based pyramid, use the formula V = A(h/3), where V is the volume and A is the area of the base.

Step-by-step explanation:

Define equation and give an example of two equivalent equations

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Equation is an equality containing one or more variables. 
 3x-5= 16                2x+y =7
      3x=21             2 (1) +y= 7
        x=7             2+y-2=7-2
                                    =5

Fill in the blank with a symbol that makes this statement true please help with my homework

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2.5=2 1/2 = 5/2
2/5 = 0.4
bring to decimals 2.5 >0.4
because by dropping the decimal points we gave 25>4
compering by fraction 2 1/2 = 5/2
2/5
bring to a common denominator of 10  5(5) / 2(5); 2(2) / 5(2)=>
25/10; 4/10
compare numerators 25>4

Denominator 2 is a prime number
Denominator 5 is a prime number
LCM (2, 5) = 2 * 5 = 10
For fraction: 1 / 2 is 10 : 2 = (2 * 5) : 2 = 5
For fraction: 2 / 5 is 10 : 5 = (2 * 5) : 5 = 2
1 / 2 = (5 * 1) / (5 * 2) = 5 / 10
2 / 5 = (2 * 2) / (2 * 5) = 4 / 10
4 / 10 < 5 / 10
2 / 5 < 1 / 2

Which fraction is between 0 and 50 100

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Well first of all where are the fractions, but anyway any fraction that is higher than 0/0-1/2(50/100). Meaning any fraction in that range could work. Including 1000/2000, because it is 1/2.

Which trail is longer?How much longer is it in miles and yards?Show your work.

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I've managed to read the visual. Next time post a better visual that is not very blurry. Moving on to the problem.
First you must know that 1 mile = 1760 yards.
Dominic's trail is 6 miles long, which is equal to 10560 yards. 
You can compare Dominic's trail, 10560, to Terell's trail, 7020.
10560 > 7020

Therefore, Dominic's trail is longer.<------

To find the difference, subtract.
10560 - 7020 = 3540

In yards, the difference is 3540.<-----------

3540 yards is the same as 2.01.

2.01 is the difference .<-----------

Answers include the arrow. <-------------