The graph shows the number of paintballs, y, a machine launches in x seconds: A graph titled Rate of Launch is shown. The x-axis label is Time in seconds, and the x-axis values are from 0 to 20 in increments of 4 for each grid line. The y-axis label is Number of Balls, and the y-axis values from 0 to 160 in increments of 32 for each grid line. A line is shown connecting points on ordered pair 4, 32 and 8, 64 and 12, 96 and 16, 128.
Which expression can be used to calculate the rate per second at which the machine launches the balls? (1 point)

fraction 32 over 4
fraction 4 over 32
fraction 128 over 4
fraction 4 over 128

After a dreary day of rain, the sun peeks through the clouds and a rainbow forms. you notice the rainbow is the shape of a parabola. the equation for this parabola is y = -x2 + 36. graph of a parabola opening down at the vertex 0 comma 36 crossing the x–axis at negative 6 comma 0 and 6 comma 0. in the distance, an airplane is taking off. as it ascends during take-off, it makes a slanted line that cuts through the rainbow at two points. create a table of at least four values for the function that includes two points of intersection between the airplane and the rainbow. analyze the two functions. answer the following reflection questions in complete sentences. what is the domain and range of the rainbow? explain what the domain and range represent. do all of the values make sense in this situation? why or why not? what are the x- and y-intercepts of the rainbow? explain what each intercept represents. is the linear function you created with your table positive or negative? explain. what are the solutions or solution to the system of equations created? explain what it or they represent. create your own piecewise function with at least two functions. explain, using complete sentences, the steps for graphing the function. graph the function by hand or using a graphing software of your choice (remember to submit the graph).

I’m confused on how to work the pie charts

Find the distance between c and d on the number line c=3 and d=11