Answer:
67
Step-by-step explanation:
its not a 90!!! tilt your screen.
Answer:
The answer to your question is: I bought 7 snacks
Step-by-step explanation:
Data
beginning balance = $42 = b
lunch = $1.80 = l
snack = $ 0.85 = s
final balance = $0.05 = f
f = b - 1.8l - 0.05s
0.05 = 42 - 1.8l - 0.85s
After 20 days I spent = 1.8(20) in lunches = $36
0.05 = 42 - 36 - 0.85s
0.05 = 6 - 0.85s
0.05 - 6 = -0.85s
-5.95 = -0.85s
s = -5.95/-0.85
s = 7
A. the lower extreme is an outer but the upper exterme is not
Answer:

Step-by-step explanation:
There are a couple of equivalent expressions to the function
. For example:

Factor:

If you add the terms inside the parentheses:

Basically you can add the like terms from the start and get the same result.

Therefore:

Answer:
b.
Step-by-step explanation: