Subtract b (b2 +b -7) + 5 from 3b2 – 8 and find the value of expression obtained for b = -3.
WITH STEPS

Why do interests rates on loans to be lower in a weak economy than in a strong one

Rosy waxes 2/3 of her car with 1/4 bottle of car wax.at this rate,what fraction of the bottle of car wax will rosey use to wax her entire car

The coverage of a base station of a telecommunication company forms a disk with a radius of (kilometers). let be the distance of a cellphone from a base station. assume that the location of cellphones in use are randomly uniformly distributed within the disk. calculate the mean and variance for the random variable.