Answer:
x = 3, y = -3
Step-by-step explanation:
3x - 2y = 15 (eq 1)
x + y = 0 (eq 2)
(eq 2) x 2
2x + 2y = 0 (eq 3)
(eq 1) + (eq 3)
5x = 15
x = 3
SUB x=3 into (eq 2)
3 + y = 0
y = -3
i dont know
Divide 63/9=7
7*2= (the number of teachers) 14
There are 14 teachers for 63 students.
b .60%
33 inches
Answer: Indeed i am
Hope This helps :)
