What is M+12-10? Hurry

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

Aculture started with 2,000 bacteria. after 8 hours, it grew to 2,400 bacteria. predict how many bacteria will be present after 19 hours . round your answer to the nearest whole number. p=ae^kt

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