Identify the three key words or phases that could be used to describe the zero of a graph, and define what they mean for the graph

What two criteria are needed for triangles to be similar

Does the point (1, sqrt 7) lie on circle shown.

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?