Asalesperson earns $200 a week plus a 4% commission on her sales. which equation models the relationship between her sales in a given week, s, and her weekly earnings, e?

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.

How many zeros does the function f(x)=4x3-x2+1 have

Add the fractions and simplify 1/2+ 1/3