Answer:
y = x - 2
Step-by-step explanation:
y = mx + b
5 = 1 (7) + b
5 = 7 + b
b = -2
So...
y = x - 2
9x-20=7
9x=27
x=3
Hope that helps you :)
Answer:
$5
Step-by-step explanation:
$5 appeared more in the prices
When rounding the 4 you look to the right of the number, which is the 4, and if the number is higher than 5 you would change the 4 to 5.
Therefore: 71.5
Answer:
IS THERE MORE TO THE PROBLEM? NOT ENOUGH INFORMATION IS GIVEN
Step-by-step explanation: