It takes 3 men 8 hours to paint a house. At the same rate, how long will it take 9 men to paint 3 such houses? (with explanation)

Solve for b: (1/t) = (1/a) + (1/b)

Consider the equation nx-4=6 A.) What are the solutions if the value of n is 0? Explain. B.) What if the value of n is 2? What is the solution of the equation? How do you know?

James borrowed $140 at a simple interest rate of 12%. What did he pay the loan company at end of 9 months? What was the interest?

Multiply (4y4) (y3-6y2)

M=-3/7; (-5,6) what is the equation of the line

Which problem can be solved using this equation? 0.15m+35=0.25m+20

Rick and Ranger sell Toyotas for Tom's Auto. Over the past year they sold 360 cars. Assuming Rick sells 5 times as many as Ranger, how many Toyotas did Ranger sell?

During his first vet visit, Pedro's puppy weighed 6 1/8 pounds. On his second visit, he weighed 9 1/16 pounds. How many weight did he gain between visits?

N the numerical sentence below, A = 8, D = 1/2, and F = 1/4. What are the values B, C, and E if the sentence below is equivalent to the numerical sentence, 2 * 4 = 8?

What's the perimeter of a regular heptagon if one side measures 3 inches? A. 10 in. B. 11 in. C. 21 in. D. 18 in.