Which expression is the factorization of x2 + 10x + 21? O(x + 3)(x + 7)
(x + 4)(x + 6)
○ (x + 6)(x + 15)
O (x + 7)(x + 14)

In the football stadium, there are 18 empty seats out of 360 total seats. (1a) write the ratio of empty seats to total seats as a fraction in simplest form. (1b) then explain its meaning.

The triangles are similar. what is the value of x? enter your answer in the box. x = two right triangles. the larger right triangle is labeled x on the longer leg, 12 on the shorter leg and 20 on the hypotenuse. the smaller triangle is labeled 4 on the longer leg, 3 on the shorter leg, and 5 on the hypotenuse.

What are the solutions to the equation 4x2+3x=24-x