Write the slop intercept form of the equation of the line through the given points throught(-2,-4) and (-2,1)

(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

Anyone know? will mark brainliest if correct!

The sum of two numbers is 12 and their difference is 18 what are the two numbers