The area of this parallelogram is 120 ft. find the value of h

Parks is wearing several rubber bracelets one third of the bracelets are tie dye 1/6 are blue and 1/3 of the remainder are camouflage if park swears to camouflage bracelets how many bracelets does he have on

How do you use the elimination method for this question? explain, because i really want to understand!

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8