Damian has 18 marbles in a bag. Four marbles are blue, nine marbles are green, and five are red. Damian randomly selected a marble from the bag, replaced it, and drew again. He repeated this for ten selections and recorded his results in the tally chart below.

Two parallel lines are crossed by a transversal. what is value of x

The spring the owner of a sporting good store decreases the price of winter gloves from $10 to $8 each increases the price of swimming goggles from $8 to $10 without doing the math you think the percent decrease in the price of the gloves the same as the percent increase of the goggles explain why or why not

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1