When 63x3y + 105x2y is divided by -7xy, the quotient is
. if this
9x^2 - 15x
-9x^2 - 15x
-9x^2 + 15x
re

In a school 2/3 of the students study a language of those who study a language 2/5 study french

(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

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg