Please help me thanksss

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re

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?

[tex]5 \times1 \frac{12}{13} [/tex] me