12. The sail on the sailboat shown below forms a right triangle whose hypotenuse has length 13 feet and whose vertical side has length 12 feet. If cloth for the sail

costs $10 per square foot, what is the cost of the sail?

answdf

step-by-step explanation: bcuz d is right

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

86

step-by-step explanation:

find the area of the triangle then multiply by 2 then add the area of the parollelegram multiplied by 2