Answer:
Substitution Property
Step-by-step explanation:
Answer:
4x + 20 ------------ Expression
4x + 20 > 40 ------------- Inequality
4x + 20 = 40-------------Equation
Answer: (x-2),(2x+3), and (2x-1)
Step-by-step explanation: I just took the test and guessed but now I know the answer, so I'm helping everyone :)
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)