Find all zeros of ƒ(x) = –3x4(x2 – 9). then determine the multiplicity at each zero. state whether the graph will touch or cross the x-axis at the zero.

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Ammonia molecules have three hydrogen atoms and one nitrogen atom. how many of each atom arein five molecules of ammonia

The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons