Sally can paint a room in 4 hours while it takes Steve 5 hours to paint the same room. How long would it take them to paint the room if they worked together?

Harry used 84% of the money in his savings account to buy a used dirt bike that cost him $1,050. How much money is left in Harry's savings account?

21) - 5z - 4 + 8 - x; use x = 7, and z = 2

Which of the following is not a valid postulate or theorem for proving triangles congruent? A. SSA B. ASA C. AAS D. SAS

a circle has a radius of 4. an arc in this circle has a central angle of 288. what is the length of the arc?

16. Which of the following are complementary angles? A. 71° and 19° B. 90° and 90° C. 90° and 45° D. 15° and 30°

What are the solutions to the equation x - 7/x = 6? A) x=-7 and x = 1 B) x=-6 and x = - 1 C) x = - 1 and x = 7 D) x = 1 and x = 6

Convert 16.7 inches to yards

Evaluate the expression below when y = - 3. 2y + 7 -4y - 10 A. -1 22 B. -13 2 C. 1 2 D. 1

What is the prime factorization of 450

Crystal earns $5.25 per hour mowing lawns. Write a rule to describe how the amount of money m earned is a function of the number of hours h spent mowing lawns. how much does crystal earn if she works 2 hours and 15 minutes