13. 1,6
18. -15,12
19. -7, 1/2
Answer:
200 people attended screen 1
150 to screen 2 and 150 to screen 3
for question 2:it's 265.1
Answer:
60
Step-by-step explanation:
17-20=3. 60times3 equals 180. So 60
Answer:
Answer: 9 (y - 2) (y + 2)
Step-by-step explanation:
Factor the following:
9 y^2 - 36
Factor 9 out of 9 y^2 - 36:
9 (y^2 - 4)
y^2 - 4 = y^2 - 2^2:
9 (y^2 - 2^2)
Factor the difference of two squares. y^2 - 2^2 = (y - 2) (y + 2):
Answer: 9 (y - 2) (y + 2)
The area of the green carpet would be 8
