5. Simplify when a = 4 and b = 3; 2a – 21 ÷ b *

Simplify the expression 10/11(22z) + (a+5) -1

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

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)