A local gas station is offering a deal to their customers. If they purchase an $8.00 car wash, the cost per gallon gas is $2.60. Write and solve a linear equation to find how many gallons you can afford if you have $40.

Prove that quadrilateral is a rhombus.

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.

Two numbers have a sum of -19. one number is x. what expression represents the other number?