a map that was created using a scale of 1 inch : 3 miles shows a lake with an area of 18 square inches what is the actual area of the lake

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

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?

An octagonal prism has jow many lateral faces?