Jackie bought 6 books for b dollars each and 3 magazines for m dollars each. Which expression represents the total amount, in dollars, she spent on books and magazines?
A
6b + 3m
B
6m + 3b
C
(60)(3m)
D
6 + b + 3 + m

Charlie tosses five coins.what is the probability that all five coins will land tails up.

Find a conversion factor between square centimeters and square meters. write it in three forms. square centimeters = 1 square meter

Megan and desmond each add the same amount of water to their aquarium megan makes 5 ml of chemical solution with every gallon of water for her aquarium desmond mixed 8 ml of chemical solution for every 2 gallon of the water for his aquarium.