What is another way to write the expression r⋅(18−3)? A. r⋅18−3

B. (r⋅18)−(r⋅3)

C. (r⋅18)⋅3

D. (r⋅18)−3

Which fraction below is equivalent to 10/12?

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?