The current temperature in Smalltown is 17 °F. This is 7 degrees less than twice the temperature that it was six hours ago. What was the temperature in
Smalltown six hours ago?

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.

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0