Chris drove 320 miles using 12 gallons. at this rate how gallons of gas would he need to drive 296 miles

The speed of a falling object increases at a constant rate as time increases since the object was dropped. which graph could represent the relationship betweent time in seconds, and s, speed in meters per second? speed of a falling object object over time

How do you solving the solution of each system using elimination?

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8