Which statement is true? Use the number line to help. -2.5 -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 2.5
O -2 is greater than -2 1/2
O 1.5 is less than 1
O 1 is less than -1/2
o -1 1/2 is greater than - 1/2

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.

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point

Find the amplitude of a sinusoidal function that models this temperature variation