Middle school easy peasy math ill give brainliest.

-4x-12

Step-by-step explanation:This is the answer because you don’t know what “x” is and you can’t put “x” with the 12, so the “x” will go with the -4. If you would change the - 12 to + 12, the 12 would become negative and there is no negative 12.

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0