4z - (-3z) =

combining like terms

What is (3.14 times x squared) divided by 4?

I have a limited amount of letters. If I group them from a 4 or a 5 I have 2 left but if I group them to 3 or so 1. how many can I have if I know that 100 do not happen?

Write a percent that is greater then 3-3/4 and less then 3 4/5

How to put x+3y^2+12y=18 into vertex form step by step

I want to know how to solve this equation 6r+14r=40

A triangle has sides with lengths of 60 yards, 63 yards, and 87 yards. Is it a right triangle? Yes or No

The squirrel stored seven more than three times as many nuts as the chipmunk. The chipmunk stored x acorns. Write an expression that shows how many acorns the squirrel stored.

The same sequence may be defined in three ways: 1) f (x) = 6x + 5 for x = {1, 2, 3, ... }, 2) a1 = 11 and an + 1 = an + 6 for n = {1, 2, 3, ... } and 3) an = 11 + 6 (n - 1) for n = {1, 2, 3, ... }.

A cell phone plan has a monthly cost that is shown in the table below. What is the correct statement regarding the average rate of change during the 40-minute time of talk?

Jay simplified the expression 3 * (3+12:3) - 4. For his first step, he added 3+12 to get 15. What was Jay's error? Find the correct answer