Josh can clean the math building on his campus in 2 hours. Ken takes 23 hours to clean the same building. If they work together, how long will it take them to clean this building?

Flora has 22 vases. Each vase has 6 tulips and 9 carnations. Which expressions correctly show how to find the total number of flowers? Choose exactly 2 answers that are correct. A. 22 * (6 + 9) B. (22 * 6) + (22 * 9) C. (22 + 9) * (22 + 6) D.

The mass of a radioactive substance follows a continuous exponential decay model, with a decay rate parameter of per day.

10/6=15/x solve for x

Sid has a rectangular wooden deck that measures 348 cm x 792 cm that he want to put a string of lights around, what length of lights should he buy

Complete pattern 444,4440, 44400

Use the quadratic formula to solve 2y² + 6y - 8 = 0. {-4, - 1} {4, - 1} {-4, 1} {4, 1}

Find all real zeros of the function y = - 3x+9

Factor the following expression using the GCF 10dr-60r

What is the value of the expression 8m-2 when m=4?

16. Unemployment is the ratio of A. unemployed workers to employed workers B. unemployed workers to total workers C. workers to total population D. workers to nonworkers