Choose the one expression below that is true. A. 12- (8 + 10) = (12-8) + 10
B. (15+14) + 10 = 15+ (14 + 10)
O C. 10 -(7 + 1) = (10 - 7) + 1
O D. (7-8) + 14 = 8 - (7 + 14)
SUBMIT

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.

If $740 is invested at an interest rate of 11% per year and is compounded continuously, how much will the investment be worth in 7 years? use the continuous compound interest formula a = pert.

Asource of laser light sends rays ab and ac toward two opposite walls of a hall. the light rays strike the walls at points b and c, as shown below: what is the distance between the walls?