Four gallons of gasoline cost $16.80. What is the price per gallon?

$4.20 / gallon of gas (divide 16.80 by four gallons)

Step-by-step explanation:

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your answer is 23/2 - 13.5

step-by-step explanation:

7/2 evaluates to

multiply x and 4.5

multiply x and 1

the x just gets copied along.

the answer is x

x

4.5*x evaluates to 4.5x

multiply 3 and 4.5x

multiply 1 and x

the x just gets copied along.

x

4.5*x*3 evaluates to 13.5x

7/2-4.5*x*3 evaluates to

  + 8 =

the answer is

7/2-4.5*x*3+8 evaluates to

a) t'(-3, 6) and v'(0, 3)  

step-by-step explanation: