Because Once again prime numbers are special: the gcf of two different primes is always ( blank ) they don't share any prime factors.

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

Julie begins counting backwards from 1000 by 2’s and at the same time tony begins counting forward from 100 by 3’s.   if they count at the same rate, what number will they say at the same time?

The sum of two numbers is 0. twice the smaller number subtracted from 3 times the larger number is 10. let x represent the larger number and y represent the smaller number. what is the equation