Line a is parallel to line b. If the measure of 7 is 144, what is the measure of 1?

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?