Answer:
-27
Step-by-step explanation:
5(x+3) = 4(x-3)
5x + 15 = 4x - 12
5x - 4x = -12 - 15
X = -27
Answer:
8 sides
Step-by-step explanation:
Answer:
x=-1
Step-by-step explanation:
-4x-6-1+x^2-5+3
-3x^2-9=0
-3x^2=9
√-3x^2=√9
-3x=3
x=-1
Answer:
the second one
Step-by-step explanation:
y is postitive when x < -1 and x > 3, but y is decreasing only when x < 1 so the case where both are true is when x < -1 option 2
7 seats in each row...and there are 112 seats
112/7 = 16 rows...so there are a total of 16 rows
70 people are seated.......70/7 = 10 rows are already filled
16 - 10 = 6....so there are 6 rows that r still empty