What is the constant of variation, k, of the direct variation, y = kx, through (5, 8)? k = – 8/5 k = – 5/8 k = 5/8 k = 8/5

Ivan and jeff buy a package of 8 pens for $4.00. ivan wants 5 of the pens, and jeff wants 3.how much should each student pay?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

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?