5x+15293
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The two best deals would be buy two get two free and the 1/2 off because both would equal 50% off the total price of buying 4 wheels.
This is better than the alternative of only 45% off.
Step-by-step explanation
i don't understand option B
Step-by-step explanation:

So there's no answer, because D must be equal or more than 0.
Answer:
1571in^3
Step-by-step explanation:
Given data
h= 20 in
d= 10 in
r= 10/2= 5 in
V= πr^2h
substitute
V= 3.142*5^2*20
V=3.142*25*20
V=1571 in^3
Hence the volume is 1571in^3