A plane can fly 10 miles per minute. The plane will fly 7 trips, and each trip is 510 miles. How many hours will the plane fly? Round to the nearest whole hour and show your work to receive full credit. (10 points)

step-by-step explanation:

points a and b are equidistant from the desired line, so the line you find by using them will go through point r.

using points other than a and b will give the desired line only if they are equidistant from r. if they are randomly located, the perpendicular line you create will not necessarily go through point r, hence will not be a solution to the problem.

question 1: step-by-step explanation:

1/4 of 84 = 84÷4= 21

if y=4x then you will substitute 4x in for y in the second equation.

8x + 4x = 18 combine like terms

12x = 18 divide by 12 on both sides

x = 18/12 or 3/2

now replace x in the first equation with 3/2 to get

y = 4 3/2

y = 6

the answer is a

(3/2,6)

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