Help i am super confused! this is for algebra 1 please help asap

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

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.

In angle pqr find the measure of