It takes 2 days to repair 150 meters of road, at that rate how long will it take to repair 2 kilometers of road

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

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?

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2