Roberto decided to get rid of all of his baseball cards, so he gave his four friends 32 baseball cards each. how many baseball cards did he have before giving them to his friends?

a. write an algebraic equation that represents the scenario
b. solve to find the solution

Atrucker had a load of grain containing 2 tons. she unloaded 1 ton and 1,200 pounds at the warehouse. how much grain does she still have left on the truck?

Which expressions are equivalent to k/2 choose 2 answers: a k-2 b 2/k c 1/2k d k/2 e k+k

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?