The sum of a number times 3 and 15. I don't understand it.

What are the values of the mean and standard deviation after converting?

What is the multiples of 10

Ryan makes 6 backpacks. He uses 3/4 yard of cloth to make each backpack. What is the total amount of cloth, in yards, Ryan uses to make all 6 backpacks?

You decide to install a fence around your property and want to know how many linear feet you have to determine the cost of the fencing. The property is a 475-foot by 150-foot rectangle. What's the linear footage?

Que es una proposicion

What is 8 times as many as 6

Is 0.7 greater than less than or equal to 7/9 show your work!

The scale drawing of a flower bed has the dimensions of 3 inches by 7 inches. The dimensions of the actual flower bed are 36 inches by 84 inches. What is the scale factor used to find the dimensions of the drawing?

What is the equation of the line in standard form which has slope - 2/5 and y-intercept 10?

A bag contains five red marbles and four blue marbles. A second bag contains four green marbles and five yellow marbles.