I have asked many sources and have looked through all of my textbooks... I cannot get the right answer ): A step by step would be amazing. I cannot figure out the 9% APR

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate.in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30

Aline passes through 3,7 and 6,9 what equation represents the line

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