Simplify the expression.

12 x [(9 + 6) / 3}

a.
38

b.
54

c.
60

d.
110

(a) (8%) compute the probability of an even integer among the 100 integers 1! , 2! , 3! , until 100! (here n! is n factorial or n*(n-1)*(n-2) *… 1) (b) (16%) compute the probability of an even integer among the 100 integers: 1, 1+2, 1+2+3, 1+2+3+4, …., 1+2+3+… + 99, and 1+2+3+… + 100

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Which of the following circles have their centers in the third quadrant? check all that apply.