Y = 6x - 11
-2x – 3y = -7
solve the following system by substitution

Abag has more green balls than blue balls, and there is at least one blue ball. let bb represent the number of blue balls and let gg represent the number of green balls. let's compare the expressions 2b2b and b + gb+g. which statement is correct? choose 1

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

If square root x = -7, then x= -49 true or false