Answer:
2x + y = 7
x=7/2
y=7
Step-by-step explanation:
to find y itercept =0
to find x intercept=0
R equals approximately 4/5
Answer:
21. x = 5, 23.
Step-by-step explanation:
Answer:
$82.57
Step-by-step explanation:
The tip they leave is ...
$78.64 × 0.20 = $15.73
The amount of the discount is ...
$78.64 × 0.15 = $11.80
Then the total cost of the meal and tip is ...
meal price - discount + tip
$78.64 -11.80 +15.73 = $82.57
The perimeter is 2+2+6+6+3+3+3+3+3+3+3+3=40, the perimeter is 40 inches
