For the following equation, graph y = f1(x) and y = f2(x) on the same screen on your calculator. From the graphs, make a conjecture as to whether the equation is an identity. If so, prove your conjecture.sin 
cos 
= 
What will be an ideal response?
The statement is an identity. The student's answer should include a proof.
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Write a general term an for the sequence. Assume that n begins with 1.6, 
, 
, 
, . . .
A. an = 
B. an = 
C. an = 
D. an = 
Add or subtract. Simplify your answer to lowest terms.
+ 
A. 
B. m - 5
C. m + 5
D. m - 6
Solve. Write the fractions in simplest form.The following graph is called a circle graph or pie chart. Each sector (shaped like a piece of pie) shows the number of each color of marbles that Emma has: 270 are red, 252 are blue, 135 are yellow, 198 are green, and 45 are clear. What fraction of the marbles are red? Write the fraction in simplest form.
A. 
B. 
C. 
D. 
Solve the problem.June has a strip of paper 12.3 inches long. She wants to cut it into strips that are 4.1 inches long. How many 4.1-inch strips will she get from the paper?
A. 1 strip B. 4 strips C. 30 strips D. 3 strips