“Find the missing side length of the right triangle, round to the nearest hundredth. EXPLAIN HOW YOU GOT YOUR ANSWER AND WHICH TRIGONOMETRIC RATIO YOU USED.”

If angle 2=3x +1 and angle 3=2x +4what is angle 2

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?

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.