The answer is the second one I believe
Answer:
6 
Step-by-step explanation:
you are adding 3 1/4 to 3 1/4 which is 6 2/4 or 6 1/2
or you can multiply 13/4 by 2 to get 26/4 or 13/2 which, again, is 6 1/2
Total from the Bikini and Sunglasses = $110
Bikini =$100 of the purchase
So now to make the problem:
110-100=?
(x+9)^2 = x^2 +9
x^2 +18x + 81 = x^2 +9
18x = -72
x = -4
Answer:
x = 5
Step-by-step explanation: