If two planes leave the same airport at 1:00 PM, how many miles apart will they
be at 3:00 PM if one travels directly north at 150 mph and the other travels
directly west at 200 mph?

1.050 miles
2.0 100 miles
3. 500 miles
4.0 700 miles
5.0 1,000 miles
3. Question

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.