classify the system and determine the number of solutions. check all that apply.{7x + y = 1328x + 4y = -12a) inconsistentb)consistent c)infinitely many solutiond) no solution

What is the first step of an indirect proof of a number that is divisible by two

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36

Give the functions f(x) = |x + 2| - 3, what is the domain? a,b,c, or d all real numbers x > 2 x < -2 all real numbers and x cannot equal to 2