Solve for x.

5 (x + 1) = 4 (x + 8)

21 is what percent of 18

The number of kilograms that an object weighs varies directly as the number of pounds. If an object weighs 45 kilograms or about 100 pounds, about how many kilograms is an object that weighs 70 pounds?

An example of scale drawing

Emma does 8 out of 12 backhand springs correct what percent is correct

Winds have reached 319 miles per hour during a series of violent tornadoes that hit Oklahoma City. Round to the nearest ten miles per hour.

The frequency table represents the job status of a number of high school students

Proportional or Non-Proportional? y=-4x+5

If the gradient of a line, C, is 2/3, what is the gradient of a line which perpendicular to C

If you had 1080 and the ratio is 3:4:5 how much would each person have

Is 0.04 10 times greater than 0.004