I need help with problems 4 a and b please. Picture included, you might have to turn the picture.

Jason went to an arcade to play video games. he paid $2 for every 11 tokens he bought. he spent a total of $16 on tokens. which equation can be used to determine, t, the number lf tokens jason bought

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?

Using elimination, what is -4x+2y=-12 4x+8y=-24