Answer:
Rate of change of y is 
Step-by-step explanation:

Yes because if you look at the tenths place you will see that 8 is bigger than 7
Answer:
y=x+20
Step-by-step explanation:
Answer:
200 in2
Step-by-step explanation:
diameter= 15 in. so raduis = 15/2
area of circle = πr2
= 22/7 * 15/2 *15/2
= 176.79
rounding to the nearest 100, its 200 in2
Answer:
$4460
Step-by-step explanation:
P=2500+70N
P=2500+70(28)
P=4460