One student can paint a wall in 15 minutes. Another student can paint the same wall in 20 minutes. Working together, about how long will it take for them to paint the wall?

3 less than 2 times a number is 5 what is the number

Write a recursive rule for the sequence - 5, 10, - 20, 40 - 80

The opening balance of the May billing cycle for Marco's credit card was $3659. If he makes a new purchase of $100 on the 20th of May and doesn't make any payments, what is his average daily balance?

Write two like terms using whatever variable (s) you'd like. be sure to include exponents. explain why these are like terms.

Change the fraction 7/12 to a decimal. Round your answer to the nearest thousandth.

Why does 0.50 m equal to 50 cm?

Find the volume of a cone with a base diameter of 12in and a height of 9in. write the exact volume in terms of π, and be sure to include the correct unit in your answer.

To improve his basketball skills, Troy decides to practice six times as many free throws and four times as many jump shots every day.

x^2 + 2x + 3 find the indicated output for this function

A pair of fair dice is tossed. events a and b are defined as follows. a.{the two numbers rolled are different} b.{at least one of the numbers is greater than 2} are the events a and b mutually exclusive? explain