Can someone please help me I’ll mark brainlist

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

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

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.