Answer:
$25.80
Step-by-step explanation:
Find the cost of the meal with the sales tax:
20 x 0.075 = 1.5
Add the sales tax to the total
20 + 1.5 = 21.50
Find the tip:
21.5 x 0.2 = 4.3
Add the tip to the total cost so far:
21.50 + 4.30 = 25.80
Answer:
Undefined
Step-by-step explanation:
Same x coordinates with different y values is considered undefined
Answer:

Step-by-step explanation:

For f(2), the input of the function is 2.
Let x = 2.

Evaluate.



Answer:
33
Step-by-step explanation:
put 4 in for x and then solve
5+7(4)
5+28
33
45 + 65 = 5m + 65
45 = 5m
m = 9