Simplify each expression

(mx+2ny+z)

and

(y^3-zx^3) (-yz)

AND

4xy^3 (x^4y-5x)

How to find the mean of percentages

Sylvia has 6 1/2 boxes of chocolate to share at a family picnic. if she gives eacah person 1/3 of a box, how many people can receive chocolate

A, b, c, d, e, and f are non zero real numbers. which of the following could replace equation 1 and still have the same solution. Select all that apply

Which inequality is true? A. |5| < |-3| B. |2| < |-4| C. |-5| < |-3| D. |-4| < |-2|

1. Consider a sphere with a radius with an 18 inches. Part A: Determine the surface area of the sphere Part B: Determine the volume of the sphere

Expand the expression and combine like terms: 2 (-14+r) - (-3r-5)

The sum of andre and brandons scores on a math quiz is 180. Andre score is 2 times as much as 30 less than brandons score. Find each students quiz score

1. If I get a loan of $30,000 and I promise to pay in 10 equal instalments of $3,000 each semester, how much interest in total do I have to pay if 10% each semester over the balance.

Which of the following conditions make a pair of triangles congruent? One angle and two sides are congruent. Two angles and one side are congruent. Two corresponding sides and one angle are congruent.

Prove that 3999991 is not prime.