Answer:
k(-5) = 65
Step-by-step explanation:
k(x) = 7x + 100
k(-5) = 7(-5) + 100
= -35 + 100
= 65
Answer:81
Step-by-step explanation:
9•9 = 81
10 quarts, because 2 x 2 = 4 quarts, then 1 gallon = 4 quarts, 4 + 4 = 8, then half of 4 is 2, which 8 + 2 = 10.
Answer:
3
Step-by-step explanation:
Volume of a cone
V = pi x r^2 x h/3
So plug in the values we have
30pi = pi x r^2 x 10/3
30 = r^2 10/3
9 = r^2
3 = r