When simplified, which choice is equivalent to a

2

b

3

a

−

1

b

2

c

?

a

b

c

abc

b

c

a

3

bca3

a

3

b

c

a3bc

a

3

b

5

c

Which of the following is the result of expanding

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years