What mathematical terms describe ( 7-4)

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

Round each decimal to the nearest thousandth. a. 5.39562 b. 0.12345 c. 5634 d. 18.93763

In one month jillian made 36 local phone calls and 20 long-distance calls what was her ratio of local calls to long-distance calls for that month?