Which pair of expressions are equivalent? A 3x +5+2(6+4) and 3x +21
B (x + 5) - 2 and x + 7
C 2(x + 5) + 6 and 2x +16
D (x + 5) - x and 2x + 5

step-by-step explanation:

no of data

divide by no of mode

only 10/60 isn't equivalent

hope this : )

b

step-by-step explanation:

the number 100 represents the number of trials in the experiment.

49/100 represents the experimental probability of the coin landing heads up.

step-by-step explanation: