Number of text messages sent in a month:
17 | 0579
18. | 24 5 5 5 9
19 | 13488
351 | 6
52 | 2
89 | 0

1. How many students sent an odd number of text messages? 2. How many students sent less than 193 text messages? 3. How many total text messages were sent? 4. If the first 750 text messages cost $10 and each additional text message cost 10 cents, how much did the student with the most text messages have to pay?

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

Which expression is rational? 6. , square root two, square root 14, square root 49

Ihave a triangle with a 60 degree angle. lets use d for that angle. what are the values of e and f if d is 60 degrees? and what do you notice about the values of e and f?