The computer came upload only 0.5 megabytes In one second how long would it take to upload 40 megabytes

Find an equation of the line perpendicular to the graph.

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

Which of the following are accepted without proof in a logical system? check all that apply.