What is the difference between acne and a Catholic priest? Acne usually comes on a bklack boy's face after he turns 12.

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.

The tile along the edge of a triangular community pool needs to be replaced? ?

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?