HELP !! To find the measure of zA in triangle ABC, use the _. To find the length of the side HI in triangle HIG, use the _.

First blank:
1. Pythagorean theorem
2. Law of sines
3. Law of cosines

Second blank:
1.Pythagorean theorem
2. Law of sines
3. Law of cosines

Find two rational expressions that have the difference of 2-n/n-4

If there is no real number solution to the quadratic equation x^2+2x+c=0 what is a possible value of c? 1 -2 0 3

Phyllis and chen are saving money to go to a football game. each friend starts with some money and saves a specific amount each week. phyllis made a graph to show the total she has saved at the end of each week. chen wrote an equation to show the total, y, he has saved at the end of each week, x. y = 15x + 15 compare the amount that each friend has when both friends start saving. select the correct answer from the drop-down menu to complete the statement. phyllis starts with $ and chen starts with $