Which expression is not equivalent to 8 + (n -4)?

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

The graph shows the charges for a health club in a month. make a function table for the input-output values. writes an equation that can be used to find the total charge y for the number of x classes

Solve this 364x-64x=300x and 12(x2–x–1)+13(x2–x–1)=25(x2–x–1)