What are the x-intercepts of the graph of the function below? y = x2 + 3x - 28
O A. (-7,0) and (-4, 0)
B. (7.0) and (-4,0)
C. (7,0) and (4,0)
OD. (7,0) and (4,0)
SUBMIT

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.