Find the vertex of the quadratic passing through the point f(3/2)=9, has an x-intercept of 3 and the axis of symmetry is x=2

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

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?

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122