Answer: 
Step-by-step explanation:


Answer:
8
inches
Step-by-step explanation:
Y=2.50x+20. Plug in values for x starting at 0 and you will get values for y and then graph.
Answer:
D. -7
Step-by-step explanation:
Sum of three times the square of a number and -7.
<u>If we call the number x, then the expression is:</u>
Here - 7 is constant, x is variable, 3 is coefficient
<u>Correct answer choice is:</u> D. -7