It's really confusing I need some guidance. Please help will mark brainliest. Need to get to 80% only in 57%

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

The diagram shows corresponding lengths in two similar figures. find the area of the smaller figure. a. 14.4 yd2 b. 24 yd2 c. 26.4 yd2 d. 28

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?