Joe has two part time jobs, he does landscaping in the morning and earns $21 a day. he does tutoring in the afternoon and earns $34 a day. how much does he earn in 9 days?

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.

F(x)= 1/x-4, g(x)=4x+1/x a. use composition to prove whether or not the functions are inverses of each other. b. express the domain of the compositions using interval notation.

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take