Which are solutions to the equation below?
check all that apply

x^2 + 18 = -9x

a. 3
b. 6
c.-9
d. 9
e. -3
f. -6

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.

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Me, the vertices of quadrilateral coat are c(2,0), o(7,0), a(7,2) and t(2,2). prove that coat is a rectangle.