What does DoS mean in math

Eliza Savage recurve a statement from her bank showing a checking account balance of $324.18 as of January 18. Her own checkbook shows a balance of $487.38 as of January 29. The bank returned all of the cancelled checks but three.

What is the relationship between a rotation and a rigid motion

The hypotenuse of a right triangle measures 10 inches, and the side opposite to ∠θ, one of the non-right angles, is 5 inches long. The measure of ∠θ is

What does x mean and why is y involved too

A women bought some large frames for $16 each and some small frames for $9 each at a close out sale. If she bought 16 frames for $165, find how many of each type she bought.

What is 2 plus 2? I have to rite 20 characters to ask a question

What is the probability of drawing a black 5 from a standard deck of playing cards?

One bus leaves a stop every 12 minutes. a second bus leaves the same stop every 18 minutes. if they both leave at 3:20 at what time will they next leave together

Over the past ten years, the town's population doubled in size. the population is currently 12,000. what was the population ten years ago?

What is the answer to 1/2 (x + 4) =