Which of the following statements uses the multiplicative identity?

(a) (-8)(1) = -8

(b) -8 + 0 = -8

(c) (-) = (-)

(d) -8 + 1 = 1 + (-8)

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

Find the x-intercepts of the parabola withvertex (1,1) and y-intercept (0,-3).write your answer in this form: (x1,if necessary, round to the nearest hundredth.

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)