The correct equation of the line that passes through (-8,5) and is perpendicular to y=4x+2 is ?

PLZ I NEED HELP ASAP

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?