9.05 because it's whole number then decimal the tenth place then hundredth place then thousandth place etc. and 1.01-4 means stay same and 1.05+ means the # to the left is increased by one for rounding
Answer:
21,500
Step-by-step explanation:
A (real) square root of a number is always positive, so only (C) has no solutions.
Answer is J because if 3 hours is $140 and 6 hours is $185 you calculate the difference. In this case $45 and divide it by 3, which is the difference between hours with those amounts, and answer is 15. And the only one with 15 is J.