9.37 because you add all of the numbers and divide by how many numbers there was
8a
TSA = 2πrh + 2<span>πr^2
</span>TSA = 471 + 157 (or 150π + 50π)
TSA = 628 cm^2 (or 200π)
8b
628 x $3 = $1884
cost = $1884
8c.
V = πr^2h = π 5^ 5 (15) = 375π (or 1177.5 if use π = 3.14)
Answer:
X = 7
Y = 2
Step-by-step explanation:
Y-2x=3
Y-5x=-3
X=7
Y=2
Answer:
20
Step-by-step explanation:
42/2 is 21 then add 9 you’d get 30 as your final solution.