What is the slope of the line represented by y=5x-7y=5x−7y, equals, 5, x, minus, 7?

Evaluate the expression for the given value of the variable 7a - 4a for a =8

Write the rational number in lowest terms 99/-15

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers