Anyone knows the answer ?

(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

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

The graph of h(x)= |x-10| +6 is shown. on which interval is this graph increasing