What is the solution of the equation 3/4x + 5= -9?
a. -21/2
b. -16/3
c. 16/3
d. -56/3
i will give brainliest to whoever is correct.

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

Which expression is the factorization of x^2+10+21

Two trains leave stations 546 miles apart at the same time and travel toward each other. one train travels at 95 miles per hour while the other travels at 115 miles per hour l. how long will it take for the two trains to meet