Ann works 51/2 hours, Mary works 61/3 hours, and John works 41/4 hours. How many combined hours have they worked? A. 155/12 B. 165/12 C. 161/12 D. 151/12

Solve the system by graphing y=2x+3 y=-4x+9

Ms. Hatch has 45 tests. This represents %60 of her 3 math classes. How many students does Ms. Hatch have?

Fifteen times the square of a non zero number is equal to 15 times the number what is the number?

What restrictions are there on the range of the function H (w) below? A. H (w) 1 B. H (w) < 0 C. H (w) > 0 D. H (w) = 1

jessica has 12 red beads, 18 yellow beads and 42 blue beads. She puts all the beads into a few jars. The number of beads of every colour in each jar are the same so what is the maximum number of jars of marbles obtained?

On average, how often would you expect an earthquake of greater than 8.0

What is the rule for perimeter

Assume that each of the n trials is independent and that pis given trial. Use the binomial probability formula to find P (x). n=15, x = 3, p=0.5 P (x) = (Round to three decimal places as needed.)

What is the answer for 2/5/6

What does the last line of a proof mean