Amodel plane is one forty eighth the size of the actual plane. if the model plane is 28 inches, how long is the actual plane?

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

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

The water company charges a residential customer $41 for the first 3,000 gallons of water used and $1 for every 200 gallons used over 3000 gallons. if the water bill was $58 how many gallons of water were usedanswersa 3400 gallonsb 6000 gallonsc 6400 gallons d 7000 gallons