Simplify -2x^2 - 2y^2 - 2z^2 + 5x^2 - 2y - 4x

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

Alex took his brother to a birthday party. the party was scheduled to last for 1 and 3/4 hours but they stayed for 4/5 of an hour more. how long did she stay at the party?

Use the distance formula to find the distance between (-3,5) and (3,1)