What is the value of the rational expression below when x is equal to 3? 12 - X
X-6
O A. -3
O B.-9
O C. 3
O D. 9
SUBMIT

mark branliest

step-by-step explanation:

.6 is 1/2 of 12

the answer is actually d. i just took the test

for a it would be 24 children.

for b i don't understand the question. is it saying for each individual person they pick 5 reds to 7 greens or is it the whole group. clarify and i hope this can you.

step-by-step explanation:

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.