Jay wants to rent a car. The company he will rent from uses the formula C = 25 + 0.40m to determine the rental cost, where C represents the total cost in dollars and m represents the numbers of miles driven. Which statement is true given this information?

Ageologist had two rocks on a scale that weighed 4.6 kilograms together. rock a was 0.5 of the total weight. how much did rock a weigh?

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two

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