I'm not sure what I am getting wrong, I know the answer to the equation is -5 but I keep getting 8.33 even with calculators. ((3-12)-(-2)(-5-3)) / ((-2)(-2)(5-6))

Given that de, df, and ef are midsegments of △abc, and de=3.2 feet, ef=4 feet, and df=2.4 feet, the perimeter of △abc is .

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

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