Write the sum as a product of 2 factors: 9. 3x-42y
10. 14r - 7m
11. ¼ r - ½
i will give if you answer question :)

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2