Answer: The population in Eric's survey is the high school seniors.
Area = (x+6)(x+2) = x^2 + 8x + 12
Answer:
12k+3n
Step-by-step explanation:
W - width
l - length
p - perimeter
The perimeter is 72 cm (p=72).
The length is twice the width (l=2w).
The formula for perimeter is 2w+2l=P.

Check the answer:

The length of the photo is 24 cm, the width of the photo is 12 cm.
Answer:
Step-by-step explanation:
∠DEF=90-58.2=31.8°