How to simplify 4x^-3

Is the answer 1/4a^3?

Marco buys a certain brand of shampoo from a supplier at $7.25 per bottle. He sells it to his customers at a markup pf 25%. What would tje markup be?

Find the slope if it exits 2x-5y=6

Jane uses the same amount of blue and yellow paint for each of her paintings. At the moment she has 2 ounces of blue paint and 7 ounces of yellow paint. The store sells the paint in a package that contains 6 ounces of blue and 4 ounces of yellow.

1 30/20 as a decimal

Holding a participant variable constant has the double advantage of (1) preventing the variable from becoming a confounding variable, and (2) reducing variance within groups. True or False

Shanti wrote the predicted values for a data set using the line of best fit y = 2.55x - 3.15. she computed two of the residual values. what are the values of a and b?

Diamond took out a 3-year loan for $2825 at a sports-equipment store to be paid back with monthly payments at a 7.8% APR, compounded monthly.

Is 10xyz3 a monomial binomial or trinomial

10 * 7 thousand in unit form

Which equation can be used to find V, the volume of the cylinder in cubic inches?