Which of the following equations shows a non-proportional relationship? A. y- -4x
B. y= 1/4 x
C. y= 4x+0
D. y= 4x+5

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

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?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.