Answer:for the first one, you should probably do a table of values then answer the question, i usually find that helpful
Step-by-step explanation:
Answer:
was this supposed to be funny lol
Step-by-step explanation:
Answer:
10,000
Step-by-step explanation:
The combination consists of four digits, hence 0000 to 9999. There at 10^4 or 10,000 possible combinations (but only one that works).
Multiply dollars / unit * units. It is actually a useful thing to know. Many thing are done using the tools this question requires.

Steve takes home 308.56 dollars. The answer is B.