Answer:
Step-by-step explanation:
a₁ = πr₁⁵ = 25π cm²
a₂ = 25(25π) = 625π cm²
r₂ = 25 cm
Answer:
add 6
Step-by-step explanation:
Answer:
(a)$29.95
(b)A
Step-by-step explanation:
The cost, in dollars, of producing x cellphone cases is given by:

We are required to evaluate: 


The value calculated above represents the additional cost to produce one more item after making 250 items.