Answer:
A
Step-by-step explanation:

Using the quadratic formula:

Therefore, the correct answer is choice A. Hope this helps!
9. 5/10
10.3/4
11. 10/12
12. 1/2
13. 10/10=1/1
14. 3/4=6/8
15. 1/2=3/6
16. 3/5=6/10
17.2/3
18.1/5
19.2/6
20.6/10
Answer:
4x+8
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
Answer:
a) 1/36in.
b) 1/54in
Step-by-step explanation:
a) convert feet to inches:
L = 18ft = 216in
if length in image is 6in then 216in/6in. 36in is Scale.
width of original room = 108in.
check: 216*1/36 = 6
b) L = 18ft = 216in
216in/4in = 54in.
check: 216*1/54 = 4