I need to do this and I don't get it does someone care to explain, or/and give me answers.

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

Explain in a minimum of 2 sentences how to graph the equation of the absolute value function given a vertex of (-1,3) and a value of “a” equal to ½.