What is the probability of drawing a grey marble?

A. 2/3
B. 1/2
C. 4/3
D. 4/7

The water has been on the stove y=9.5x+62.1 after how many minutes will the tempature be 138.1 f

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?

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11