The giraffe is 15 feet tall. she is 2 1/2 times as tall as the elephant. how tall is the elephant?

9x-3y=3 3x+8y=-17 find x and y

Fran can wash a car in 30 minutes. Gail can wash the car in 40 minutes. if they work together, can they wash the car in less than 16 minutes?

873 pedestrians / minute = pedestrians / hour

One ball is to be selected from a box containing red, white, blue, yellow, and green balls. If the probability that the selected ball will be red is 1/10, the probability that it will be white is 2/5, and the probability that it will be blue is 1/5,

What is 10 times as much as 0.7.

In a department store he finds a square rug that has an area of 9 m2. How many of those rugs are needed to cover an area of 36 square meters?

Using complete sentences only, describe how to find the volume of a cone.

If y varies directly with x, and y = 7 when x = 6, what is the constant of variation?

How many cubic feet of wood are needed to build a solid door 7 feet high, 3 feet wide and 2 inches thick? Express your answer as a decimal to the nearest tenth.

How do i work this out 15+6/2+9*3