Which of these changes in a pond environment is observable1. the algae content increases in the summer.

2. the water level is lower
when there is little rain.

3. the water temperature at the surface increases when the sun is out.

4. all of these are observable.

ignore what subject i put this in pls i’m just rushing rn

A farmer is fencing off his field. A diagram is given and shows how the field has been divided into two regions. The area ofregion one is 950 sq ft. The area of region two is 4845 sq ft. Find the perimeter around the entire field
15x - 45
4.X-10
2
3x
a 150 ft
b. 224 ft
С. 176 ft
d. 384 ft

Jean walked 1 mile to her friends house, and then bicycled for 2 hours at m miles per hour. Write an expression for the total length of her trip.

Alfred is practicing typing. The first time he tested himself, he could type 23 words per minute. After practicing for a week, he could type 26 words per minute. After two weeks he could type 29 words per minute. Based on this pattern, predict how fast Alfred will be able to type after 4 weeks of practice

Marissa wants to write an abbreviated set of directions for finding coordinates of a figure reflected across the y-axis. Which mapping notation is correct? A. (x,y) --> (-x,y) B. (x,y) --> (x,-y) C. (x,y) --> (-x,-y) D. (x,y) --> (y,x)

A cube has an edge measuring 4 inches. What is the surface area of the cube, in inches²?

A rectangle has a length of 14 meters and a width of 200 centimeters what is the area of the rectangle in meters?