How many minutes are there in 21/4 hours

The cable television company reduced rates 20% last year. If the original service was $20.50 what is the new cost?

Two number cubes are rolled. What is the probability that the first lands on 2 and the second lands on a number greater than 4?

For a right triangle with legs a = 5 and b = 12, use the pythagorean theorem to find the hypotenuse, c.

What is the answer to 3x - 17 = 7x - 9

Kim's weekly pay is two thirds of Alicia's. Together they earn $600 per week

What is a factor in algebra

Substance A decomposes at a rate proportional to the amount of A present. a) Write an equation relating A to the amount left of an initial amount Upper A 0 after time t. b) It is found that 18 lb of A will reduce to 9 lb in 4.2 hr.

Solve equation 2 (5k + 8) = 4 (k + 4)

Convert 77 degrees in Fahrenheit to Celsius temperature using the formula f=9/5 c+32.

Estimate 293 times 4