The graph shows the number of paintballs a machine launches, y, in x seconds:
which expression can be used to calculate the rate per second at which the machine launches the balls?
80 over 4
20 over 4
4 over 80
n 4 over 20

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.

If i purchase a product for $79.99 and two accessories for 9.99 and 7.00 how much will i owe after taxes applies 8.75%

Maria solved an equation as shown below. what is the solution to maria’s equation?