Answer: 1.11
Step-by-step explanation:
To find the range of the data set all you have to do is subtract the higher number with the lowest number, so in this math problem, we will take 1.75- 0.64 and we get 1.11 :]
You need to swap the x values around. They need to be given in the same order as the y values. The sum should be:

Answer: Choice one is Parallel
Choice two is half
Profit is calculated by subtracting the expenses from the income. So:
p = i - e