Write the equation of the line with the slope of 2 that contains the point (3,9)

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.

Jim makes $10.35 per hour. write an equation that jim can use to calculate his pay.

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup