In mathematics you would see stuff like distributive property. when you see something like 10(4z-5)8(4-9z) , what would you distribute first?
note- the 8 and 10 are exponents.
you to whoever me.

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

What are the digits that repeat in the smallest sequence of repeating digits in the decimal equivalent of 24/11?