a contractor finds that crew A takes 5 1/2 hours to construct a retaining wall and crew B can do the same job in 8 1/2 hours. if crew A and crew B work together how long will it take them to construct the retaining wall

Can you match the teachers comments to the definitions?

What is the next number in the pattern? 1, 6, 11, 16, ... Write your working and your answer in the box below.

If the value of b is 7, then what is the value of the expression - 3b2 + 25 = ? A. 17 B. - 122 C. 122 D. 172. - 3 (7) 2+25-3*49+25-147+25-122 B.-122

A rectangular box has a length of 3 inches, a width of 2 inches, and a height of 4 inches. Find the dimensions of the three similar boxes: one that has a length of 6 inches, one that has a width of 6 inches, and one that has a heght of 6 inches.

What is the answer to the equation - 3 (a+6) for distributive property

A fish-tank has a length of 45 centimeters, a width of 25 centimeter and a depth of 10 centimeter. Find the volume of the fish-tank, 10250 cm3 11250 cm3 10250 ft3 11250 ft3

Last fall Zeke planted six bulbs in the ground, which in the spring would grow into 2 yellow flowers, 2 purple flowers, and 2 red flowers. What is the probability that the first two flowers that come up in the spring are 2 yellow flowers?

2. What can be used to describe the function graphed? y=3x+2

A factory can produce two products, x and y, with a profit approximated by P = 14x + 22y - 900. The production of y can exceed x by no more than 100 units. Moreover, production levels are limited by the formula x + 2y ≤ 1,400.

What is the greatest common factor between 8x and 40?