Find the sum using the number line.10+( -5) Move the point on the number line as needed to choose the correct value for the sum?

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

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.