This is urgent, please answer!

Two prisms are shown below.

Which statements about the volumes of the prisms are true? Choose all that apply.

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

70

step-by-step explanation:

2*5=10

4*15=60

60+10=

70

a

b

d

step-by-step explanation:

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value