Match the graph to one of the polar equations.

A. ? = 
B. r = 
C. ? = -
D. r = -


Answer: A

Mathematics

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The amount S, in billions of bushels, that a country is willing to supply depends on the price P, in dollars per bushel, of wheat.  The relationship  is

.
?
The demand D, in billions of bushels, is the quantity of wheat that customers will buy at a price of P dollars per bushel.  The relationship is
.
?
A: Solve the latter equation for D and so express the demand as a function of the price P.B: The equilibrium price is the price at which supply and demand are the same.  Find the equilibrium price.

What will be an ideal response?

Mathematics

Find the limit. 

A. 4
B. -4
C. 9
D. - 

Mathematics

Solve. Write the answer as a mixed number in simplest form.A recipe for fudge brownies calls for 2 cups of cocoa per batch. If you are making 2 batches, how many cups of cocoa are needed?

A. 1 cups
B. 4 cups
C. 1 cups
D. 5 cups

Mathematics

Write the fraction in simplest form using the method of your choice.

A.
B. 5
C.
D.

Mathematics