The sum of two is 28 and their difference is 4. What are the numbers?

(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

Name these type of angles shown check all that applies

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3