Use trigonometric identities to find the exact value.
A. -2
B. - 
C. - 
D. - 
Answer: C
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Solve.Find the area of a circular pipe with a cross-sectional area of 300 square inches. Round to the nearest hundredth.
What will be an ideal response?
Solve the problem.Keerti found that he had y nickels in his pocket. Write an expression that represents this quantity of money in cents.
A. 5y
B. 
C. y + 5
D. 
Solve the problem.In triangle ABC, angle A is three times as large as angle C. The measure of angle B is 
less than that of angle C. Find the measure of the angles.
A. 78°, 24° and 39° B. 78°, 24° and 78° C. 117°, 24° and 39° D. 117°, 24° and 78°
Add or subtract as indicated.(-6x6 + 9x8 - 7 - 2x7) - (8 - 5x7 + 2x8 - 4x6)
A. 7x8 - 7x7 - 10x6 + 1 B. 11x8 - 7x7 - 10x6 - 15 C. 7x8 + 3x7 - 2x6 - 15 D. 11x8 - 7x7 - 10x6 + 1