Working together, 3 people can paint a house in 10 hours. How many people are needed to paint 6 houses in 20 hours, assuming that each person paints at the same rate? Show or explain your reasoning.

Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?