Explain why it doesn't matter what letter or symbol is used to find an unknown number.

What is the domain and range of squard root of X+2

Circuit boards are assembled by selecting 4 computer chips at random from a large batch of chips. In this batch of chips, 90 percent of the chips are acceptable. Let X denote the number of acceptable chips out of a sample of 4 chips from this batch.

What is 126 to 150 decreased or increased

Tristan is 9 years younger than his cousin John. If the sum of their ages is 43, find how old each boy is.

You are going to purchase a new car, but being a responsible consumer means doing a little bit of research first. First, you find the vehicle you are purchasing and its price.

How many triangles exist with the given angle measures 55,45,90 degrees A. Exactly one unique triangle exists with the given angle measures. B. No triangle exists with the given angle measures. C.

What's 67890 + 5336882

What are the zeroes of f (x) = (x-1) (x+1) ?

Along thid river at wich two aproximate altitude ranges are tge gradients the steepest

You go out to eat and your bill comes to $123. The GST is 5% and you leave a 15% tip. How much would it cost altogether?