What is the exact volume of the cylinder?
a. 18π in3
b. 36π in3
c. 54π in3
d. 63π in3

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Joanie watched 1 out of three of a movie in the morning

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of