Cual es la raiz cuadrada de 25

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

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

Acompany produces packets of soap powder labeled “giant size 32 ounces.” the actual weight of soap powder in such a box has a normal distribution with a mean of 33 oz and a standard deviation of 0.7 oz. to avoid having dissatisfied customers, the company says a box of soap is considered underweight if it weighs less than 32 oz. to avoid losing money, it labels the top 5% (the heaviest 5%) overweight. how heavy does a box have to be for it to be labeled overweight?