Answer:
Equation 1 has no solution. Equation 2 does. The correct answer would be D.
Answer:
34 classes
Step-by-step explanation:
First, subract 180 from 1200. You should get 1020. then do 1020/30. So 34 classes can watch the performance of 180 students.
(1/4)x+1=32
(1/4)x=31
X=31*4
X=124
Step-by-step explanation:
according to me it's conditional probability