Complete the solution of the equation find the value of y when x equals -7. -7x-5y=54

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

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Which letters from the table represent like terms? a and b b and c a and d b and d