Answer:
8/21
Step-by-step explanation:
-1/3 + 5/7=1×7 =-7/21 +15/21
- × -
3. 7
-7/21 + 15/21= -7+15 = 8/21
-----
21
Decrease because the arrow is pointing down
The geometric mean of two numbers is the square root of their product:

So, if the product is 8, the geometric mean is 
Answer:
$1191.60
Step-by-step explanation:
<u>Option 1:</u>
Leather Loveseat
1200 plus 2% extra charge and NO TAX
What is 2% of 1200??
0.02 * 1200 = 24
So total price = 1200 + 24 = $1224
<u>Option 2:</u>
Lush Blue Loveseat and Lamp
Lush Blue loveseat is 980 + 17% tax, that would be worth 980 + (0.17)(980) = $1146.6
and
lamp is worth 40 with 12.5% tax, that would be worth 40 + (0.125)(40) = $45
Total cost = 1146.6 + 45 = $1191.6
2nd option is cheaper, so that would cost $1191.60
c, the answer is going by 3, so it is c.