Which expression is equivalent to 5(2n + 1)? A. 2n + 1
B. 2n + 5
C. 10n + 1
D. 10n +- 5

D in going with

Step-by-step explanation:

I multiples 5×2 which is 10 then 5×1 which is -5

HOPE THIS HELPS!!! IF IT DOES XAN I GET BRAINLIEST

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

51

step-by-step explanation:

73-22=51 the   mass number minus the amount of protons gives you the amount of neutrons