When I was four my sister was half my age. I am now 70 how old is my sister?

A 3x4x5 rectangular cuboid (e. g. a brick) is painted blue and cut into 1x1 cubes. what is the expected value for the painted sides of a randomly selected cube?

If 5 cans of MathJuice contain 120 grams of sugar, how many grams of sugar are in a case (24 cans) of MathJuice?

30% of the tickets sold at the Sweet Tarrant School carnival were early-admission tickets. If the school sold 200 tickets in all, how many early-admission tickets did it sell?

Two cars leave town at the same time and travel in opposite directions. The average rate of speed of one car is 15 miles per hour faster than the average rate of speed of the other car. The cars are 315 miles apart after three hours.

Which number is least 145.827 or 144.809

The following equation is used to calculate (g pure material) / (g impure material) x 100 A. % recovery B. theoretical yield C. actual yield D. % yield

What is the angle of elevation of the sun if a 45 foot tall flag pole casts a 22 foot long shadow?

Creat a table of values for the equation y=-x-3

Draw a X over the multiples of 10. What digit do all multiples of 10 have in common?

Expanded form of 582, 030