Given the cost function C(x) and the revenue function R(x), find the number of units x that must be sold to break even. C(x)=15x+24,000 and R(x)=17x

How many units must be produced and sold in order to break even?

__ units

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

Complete the steps to find 4.830 ÷ 5

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g