Answer:
f(7)=58
b(-2)-a(12)=-188
Step-by-step explanation:
f(7)=(7)^2+9
49+9
f(7)= 58
b(-2)-a(12)=8(-2)-14-13(12)-2
-16-14-156-2
=-188
The speed of the water in the 3 feet radius is 25 feet per second.
Answer:
C
Step-by-step explanation:
Answer:
90
Step-by-step explanation:
a)
Since, to find the average of a set of numbers, you need to add them all together and divide by the amount of numbers:
b)
Multiply both sides by 4:
Hope this helps!