Is it cheaper then without it? If so you should
Answer:
y is the number of apples.
Step-by-step explanation: Because if x is the cost for one apple then y is for the number of apples.
Answer:
x(3 + 9) = 3x + 9x = 12x
Step-by-step explanation:
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Answer:
l = (S/pi)-r^2
Step-by-step explanation:
Just rearrange the equation.
S = pi*l + pi * r^2
S-pi*r^2 = pi*l
l = (S-pi*r^2)/pi
l = (S/pi)-r^2