Two wires are attached from the top of a flagpole to the ground. The first wire is attached to a point 40 feet from the base of the flagpole and makes a 40 degree angle with the ground. The second wire is attached at a point 20 feet from the base of the flagpole.
A. Draw a picture of the problem.
B. How tall is the flagpole?
C. How long is each wire?

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12r - 8 - 12

you have to combine like terms. below i have bolded the like terms:

12r - 8 - 12

together it combines to:

12r - 20

hope this !

85.3-64 = 21.3

so laura has already added 85.3 grams of chocolate powder and she has gone over the amount specified in the recipe by 21.3 grams

hope i ! have a great  day!