Find the area of of the rectangle with the given base and height.
2ft 4in
answer in feet

Find the simple interest earned to the nearest cent for each principal,interest rate,and time 735 7% and two and a half years

1/3(x-10)=-4 solve for x with steps

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