Identify at least one likely source of random errors and also identify at least one likely source of systematic errors.
1. Contributions- A survey asks people for the amount of money they donated to charity in the past year.

2. Tax Returns- The annual incomes of 200 people are obtained from their tax returns.

a)(x-2)^2+(y-1)^2=9

step-by-step explanation:

(picture explains)

0.0076, if you meant 4.125 divided by 0.03125 it would be 132

step-by-step explanation:

first you have to move the decimal in 0.03125 over until its behind the 5 which is 5 places over. now the number is 3125

then you have to move the decimal in 4.125, 5 places over. now the number is 4,112,500.

now you divide like you would normally would and get 0.0076

  answer:

  write 548 as 500 + 40 + 8. multiply each addend by 5. then add the three products to get 2,740.