Shakara and Jake are starting a business tutoring students in math. They rent an office for $400 per month and charge $40
tutoring session. If they get 15 sessions booked in a month,
how much profit do they make together in a month?

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

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth