If Ms. Smith has 190 m of fencing to enclose a rectangular area: a) Write a function to express the total area enclosed as a function of the width.
b) State the domain and range of the function.
c) Determine the dimensions that give the maximum area.

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.

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2

How do you determine if an ordered pair is a solution to a given equation?