What number is 45.5% of 75

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

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?

Which equation represents a direct linear variationa. y=x2b. y=2/5xc. y=1/xd. y=x+3