Which ordered pair is a solution of the equation y = -5x + 4 a. (2,-14) b. (5,-18) c. (3,-19) d. (5,-21)

Find the amount in a continuously compounded account for the given condition. principal: $1000, annual interest rate: 4.8%, time: 2 yr

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

What is the surface area of the sphere?