Which of the following polynomials corresponds to the product of the multivariate polynomials 4x - 3y + 5 and x + 2y - -3? 4 x 2 - 6 y 2 - 15
5 x - y + 2
4 x 2 + 8 xy - 12 x - 3 y + 5
4 x 2 - 6 y 2 + 5 xy - 7 x + 19 y - 15

(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

Aefg - almn. find the ratio of aefg to almn. a)1: 4 b)1: 2 c)2.1 d)4: 1

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18