Which teacher exhibited the most variable year to year performance over this 5 year span?

Answers

Answer 1
Answer: I do not have the graph that you are referencing from this question to, but I can help you get led to the right answer. If the teacher exhibits the most variable year to year performance over a 5 year span, then the graph must show unstable fluctuating of figures. Those who are least variable would have a steady line going up or down or maybe even just straight. 

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Can a pair of lines be both parallel and skew? Explain.

Answers

A pair of lines can't be both parallel and skew because if they are parallel it means that they are in the same plane and when they are skew it means that thay are in different planes, so it's impossible. Hope everything is clear. 
Regards!

Can someone help me please

Answers

Answer:

46.5

Step-by-step explanation:

Solution

A=a+b

2h=5.3+13.3

2·5=46.5

Solve Mathematics question, in photo. Please

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(-2,3) if you just plug in X and y you get both -4 and 12

To solve X/0.4 = 10, you would: Add 0.4 Subtract 0.4 Multiply 0.4 Divide by 0.4

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multiply by 0.4 on both sides to cancel the original 0.4 and change the 10

Which ratio is equivalent to 4 to 5?​

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Answer: 8 to 10,    16 to 25,    40 to 50

Step-by-step explanation: If you have trouble wit this in the future just multiply each number by 2,3,4,5,6...

Answer:

Two are actually equivalent, 8:10and 12:15

Negative 12 minus 4

Answers

-12-4
Subtracting negative numbers is like adding the opposite.
s0 -12+-4, that equals. -16
 
-12-4 = -12 + -4
-12-4 = -16