What would be the best first step to solve this
(4x-9x)(12+8x)=9(4x)

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq

Find the unit rate for: 75% high-fiber chimp food to 25% high -protein chimp food.

The numbers on a football field indicate 10 yard increments. you walk around the perimeter of a football field between the pylons. you walk a distance of 30623 yards. find the area and perimeter of the indicated regions. write your answers as mixed numbers, if necessary. a. one end zone: perimeter: yd area: yd2 b. the playing field (not including end zones): perimeter: yd area: yd2 c. the playing field (including end zones): perimeter: yd area: yd2