What does this equal and what are the steps? 6(2x-5)=-(x+4)

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

Let w=23 . what is the value of w + 45 ?

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