Answer:
1:3
Step-by-step explanation:
divide 4 ...............
.............
ps: idk the explanation
8 2/5 x 16 2/3 = 42/5 x 50/3 = 2100/15 = 140 square feet
140 x 1/2 = 70 square feet will be blue
Answer: 
Step-by-step explanation:

a=2
b=-9
c=5





Answer:
Step-by-step explanation:
- √(14 - 2√13) * √(14 + 2√13) =
- √(14 - 2√13)(14 + 2√13) =
- √(14² - (2√13)²) =
- √(196 - 4(13)) =
- √(196 - 52) =
- √144 =
- 12