HEYYY CAN SOME PLEASE HELP ME I WILL GIVE BRAINLEST

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers

Which of the following is the shape of a cross section of the figure shown below

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?