the demand and supply for a good of and industry are given by the equation PQ=100 and Q=3P-20 respectively , where p is price and Q is quantity . find the equilibrium price and quantity.

Use the x-intercept method to find all real solutions of the equation. -9x^3-7x^2-96x+36=3x^3+x^2-3x+8

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?