Use properties of addition and subtraction to evaluate the expression. −57−14−23 enter your answer in the box.

Solve for x, y, and z. show all steps.

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?

Acompany charges $0.10 for each letter engraved. bobby plans to spend no more than $5.00 on the engraving on a jewelry box. write and solve an inequality to find the maximum number of letters he can have engraved.