Which of the following graph shows a negative linear relationship with a correlation coefficient ,r, relatively close to -1

7x+8y=-18, 4x-9y=-3 solve the system of equations

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

Consider the triangle. which shows the order of the angles from smallest to largest? angle a, angle b, angle c angle b, angle a, angle c angle b, angle c, angle a angle c, angle a, angle b