Answer: The answer is 100,
Step-by-step explanation:
You would get 10$ for the first week, 20 for the second week, 30 for the third week, and 40 for the fourth week. If you add that up all together you get 100$
Answer:
Solve for x
Step-by-step explanation:

Answer:
416867.47
Step-by-step explanation:
to round the tenths, simply take the second digit of the decimal and look at the digit to its right, if its more 5 or more you round it up by one. if its less, simply ignore the numbers to the right.
What triangle?? can you be more specific?