Solve for x: 1/4 (4x + 15) = 24 a-49 b-207/4 c-81/4 d-9 meee

Select the lengths in centimeters that would form a right triangle

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq

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?