An 8-ounce cup of gourmet coffee costs $4.50.If the price remains the same how much would 3 quarts cost

$54

Step-by-step explanation:

1 quart = 32 fl oz

3 quarts would contain 32 x 3 = 96 quarts

1 ounce would cost : $4.50 / 8 = $0.5625

96 quarts would cost = 96 x  $0.5625 = $54

4 and 5)16.97 or 12√2

6)15.59 or 9√3

7)y = 15.59 or 9√3     x =27

8)17.80