The sum of 3 consecutive numbers equal 87, find the numbers

Find the average speed of a rabbit that runs a distance of 22 m in a time of 1.8 s .

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

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?