Which relationship is always correct for the angles p, q, and r of triangle ABC? O p + r = q
O p + q + r = 180 degrees
O p + q + r = 90 degrees
O q + r = p

Will give BRAINLIEST

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?