Can you simplify 4/x^-7

Jack drives an 18 wheeler. The truck's gas tank holds 105 gallons of gasoline. The driver begins the trip with a full tank. At his first stop his tank is 65% full. How much gasoline did he use?

find the two numbers whose difference is 22 and the larger is 2 more than twice the smaller. (translate to a system of equations and solve)

Whats the difference between 9 thirty-sevens and 8 thirty-sevens

The perimeter of the rectangle below is 86units. Find the length of side XY

Solve for V 6+2 (4v-5) = - 2 (7v-4) + 7v

A triangle has a base of 3 cm greater than five times its height. What is the area of the triangle when its height is 6 cm 115 cm² 60 cm² 33 cm² 99 cm²

What is the solution for the equation -6.4 = 5.0 + 2.4m?

14. Shaun has a bag with 12 yellow tiles and 14 green tiles. How many green tiles should be added so that the ratio of yellow tiles to green tiles is 2 to 3?

Find the missing length in the right triangle. 3 in. 12 in.

A manufacturer of computer printers purchases plastic ink cartridges from a vendor. When a large shipment is received, a random sample of 235 cartridges is selected, and each cartridge is inspected.