A waitress earned $7 per hour at her job plus an additional $50 in tips on Friday. She earned more then $99 total. Which inequality best represent the number of hours she worked on Friday?

The volume of a cone is 37x3 cubic units and its height is x units. which expression represents the radius of the cone's base, in units? 1 s o 3x o 6x obx 93x2

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?