Which equation is an identity?

3 (x - 1) = x + 2 (x + 1) + 1

x - 4 (x + 1) = - 3 (x + 1) + 1

2x + 3 = 1/2 (4x + 2) + 2

1/3 (6x - 3) = 3 (x + 1) - x - 2

Which is a reasonable first step that can be used to solve the equation 2 (x + 6) = 3 (x - 4) + 5?

A mixture contains 1/16 pound sand and 7/8 pound compost. At that rate, what amount of sand is needed if the mixture contains 1 pound of compost? A. 1/14 pound B. 8/24 pound C. 14 pounds D. 15/16 pound

Olivia was packing up some of her old stuff in to a Box. A Box can hold 7 pounds, but she only filled it up with 2/3 full. How much was the weight of the box?

A school has 825 students and 55 teachers, how many students re there per teacher?

Match each of the following types of angles to the correct definition.

Cassidy's goal is to raise more than $75 for charity. She has already raised $6. Now she is selling cupcakes for $3 each to reach her goal. Let c represent the number of cupcakes Cassidy needs to sell to reach her goal.

5 out of 8 cameras sold in a store are digital they sold 72 cameras how many digital discthey sell

Simplify completely 25 w to the sixth power over 10 w to the third power divided by 30 w squared over 5 w.

Multiply the polynomials. (2x+6x+6) (3x-2)

Fraction as a decimal round to three decimal place 4/10