Kristy wants to make Valentines, each decorated with 4 inches of lace, for 7 of her friends. How many inches of lace (x) does Kristy need to make the cards?

Can someone me with my hwplz(only the circled ones)

(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

Long division the problem is 40 ➗ 348 = ?