Simplify each expression. 25. 4a + 2b + a
28. 4a3 + 6a + 3a3 + 8a
26. 2y + 2x + 8y
29. 6x + 2(2x + 7)
27. x2 + 3x + 2x + 5x2
30. 4(3n +9) + 5n
I really need help with is I have been really overwhelmed with math lately.

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

answer: ♡♡♡♡♡♡♡♡♡♡

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