Consider the solution to the system of inequalities below. y>1/3x-1
y<_4/3x+2
Which of the following functions could be added to the system without changing the solution set?
y=-2
y<-2
y<-3
y>-3

An airport in death valley is 60 feet below sea level, and an airplane is flying 2,000 feet above sea level. how many feet must the plane descend in order to land? a. 2060 b. 2000 feet c. 1940 feet d. 1880 feet e.1400 feet will mark as brainliest

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.