Line ef has an equation of a line y= -1/2x +7. what is the slope of a line that is perpendicular to that

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

Suppose you are going to graph the data in the table. minutes temperature (°c) 0 -2 1 1 2 3 3 4 4 5 5 -4 6 2 7 -3 what data should be represented on each axis, and what should the axis increments be? x-axis: minutes in increments of 1; y-axis: temperature in increments of 5 x-axis: temperature in increments of 5; y-axis: minutes in increments of 1 x-axis: minutes in increments of 1; y-axis: temperature in increments of 1 x-axis: temperature in increments of 1; y-axis: minutes in increments of 5

Find the rate at which the water is now flowing from the tap give your answer cubic centimetres per second