Which angle is adjacent to

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

Ken earned $128 from his part-time job this summer. he spent 25% of his money on games. he is going to donate 1/6 of the remaining money to charity. how much money will the charity receive?

What is the midpoint of np if n (1,9) and p (-5-1)