It takes 2 people 10 hours to pick 800 lettuces during harvesting. At the same rate how many hours should it take for 5 people to pick 1200 lettuces

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

The height of a plant, in inches, p years after planting it is given by the polynomial function r(p) = -2p% + 270p. find the height of the plant when p = 90 years.

Show all work to identify the discontinuity and zero of the function f of x equals 6 x over quantity x squared minus 36