Please help ASAP What is the length of BC?

Which functions are even? check all of the boxes that apply. f(x) = x4 – x? f(x) = x2 – 3x + 2 f(x) = (x - 2) f(x) = x done

Quick translate "x is 12 units from 20" into an equation. what are the values of x being described? if you can answer any of my other questions that'd be great too

In parallelogram abcd the ratio of ab to bcis 5: 3. if the perimeter of abcd is 32 find ab