Find the slope of the line going through the points (-2,-3) and (-1,9). Write your answer in simplest form?

How to solve a simultaneous equation involved with fractions?

Reflect the point (7,0) across the y-axis

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?