7.the mass of a grain of sand is approximately 2.8×10^−11 grams select from the drop-down menu to correctly complete the statement. the mass of a grain of sand is approximately 2.8×10^−8 answer choices: a. milligram b. gram c. killogram

The graph shows the rate at which paint is used to paint a wall.enter values to complete each statement below based on the graph.when 1 gallon of paint has been used, ( # ) square feet of the wall will be painted.the unit rate is ( # )square feet per gallon.

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

When you flip a biased coin the probability of getting a tail is 0.6. how many times would you expect to get tails if you flip the coin 320 times?