Simplify the following expression:
a + 2c - 5b - c + a - b

Asporting good store is offering 30 percent off of the original price(x) of football cleats. the discount will be reduced by an another $7 before sales tax.

Find the amplitude of a sinusoidal function that models this temperature variation

Suppose your sat score is 2040. a college with an average sat score for admintted students of which of these would most likely be your best option?