Consider a function that describes how a particular car's gas milage depends on it's speed. what would be an appropriate domain for this function?

An arrow is shot vertically upward at a rate of 180ft/s. use the projectile formula h=−16t2+v0t to determine at what time(s), in seconds, the arrow is at a height of 420ft. round your answer(s) to the nearest tenth of a second.

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

Which represents the solution set of the inequality 5x-9 < 21? a. x < 12/5 b. x > 12/5 c. x > 6 d. x < 6