Find the surface area of the prism

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years