No it's not
a^2=b^2+c^2
125^2=30^2+122^2
15625=900+14884
15625=15784
15625is not equal to 15784 so it is not right angle
Answer
option C (60 degrees)
Step-by-step explanation:
solution attached in the picture
Answer:
20 marbles total...7 are green
Step-by-step explanation:
probability on first draw is 7/20...and since the marble was not replaced, the probability on the second draw is 6/19. And since they cant happen at the same time, we multiply
7/20 * 6/19 = 42/380 which reduces to 21/190
Y=25x is proportional. Unit rate is 25
The other 2 aren't because they have a y-intercept and don't cross the orgin