The question is a (a-b) + 2 (r+s)

It takes a boy 20 minutes to mow the lawn, but his sister can mow it in 60 minutes. How long would it take them to mow the lawn if they worked together, using two lawn mowers?

Which equation solves the real world problem below? Homer and his family are on a road trip. If they have traveled 14 of the total distance in the past 3 days, what fraction of the total distance did they travel per day?

Factor the expression completely over the complex numbers. x4-625

Hunter decides to invest $840,000 in a period annuity that earns a 4.2% APR, compounded monthly, for a period of 30 years. How much money will Hunter be paid each month?

Find the median of the data 53 62 30 30 64

What is uniform motion in the subject physics

Which number represents the possibility of an event that is very likely to occur

Solve for b 5 (b-a) = r

If 10% of a number is 7, what is 80% of the number?

Write the equation of a circle M (7, - 10) and radius 2