Brenna needed 8 gallons of gas last week. This week, Brenna ended up needing 50% less. How much gas is that? Please answer quickly.

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

Fa bus driver leaves her first stop by 7: 00 a. m., her route will take less than 37 minutes. if she leaves after 7: 00 a. m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52