Which expression can be used to model the phrase “the sum of three and a number”? 3 + x x minus 3 3 minus x x times 3

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if