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75 degrees

Step-by-step explanation:

m < 4 = 40

m < 3 = 65

m < 3 = m < 5 (alternate interior angles)

m < 2 = 180 - (m < 4 + m < 5)

m < 2 = 180 - (40 + 65)

m < 2 = 180 - 105

m < 2 = 75

use an equation of ratios to determine the amount of gas needed to fill the tank.

    0.2             0.8

  =    

288.75             x

                                                              231 gal

so, 0.2x = (0.8)(288.75 gal), and x = = 1155 gal.

                                                                0.2

it would take 1155 gal. to fill the tank.

the cost would be

1155 gal         $3

* = $3465   (answer)

      1           1 gal

hope this you

you can first factor out the n to get n(1+5). we know that 1+5 is 6, so we just have 6n.