If a box contains 4 red checkers and 8 black checkers, what is the probability of choosing a black

It says factor each expression 49x-28?

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

Areflection of shape i across the y-axis, followed by a , and then a translation left 6 units and down 4 units confirms congruence between shape i and shape ii. alternatively, a of shape ii about the origin, followed by a reflection across the y-axis, and then a translation right 4 units and up 6 units confirms congruence between shape ii and shape i.