Solve the application and answer with a complete sentence. Round to the nearest tenth of a percent if necessary.Last year, Maria earned $338 per week. This year, her salary increased to 
per week. Calculate the percent increase.
A. There was a 93.2% increase in salary.
B. There was a 6.4% increase in salary.
C. There was a 93.6% increase in salary.
D. There was a 6.8% increase in salary.
Answer: D
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Use the fundamental identities to find the value of the trigonometric function.Find cos ? if tan ? = 
and ? is in quadrant III.
A. 
B. - 
C. - 
D. 
A point lying on the terminal side of angle ? is given. Find the exact value of the indicated trigonometric function of ?.(-7, 8) Find cot ?.
A. - 
B. 
C. - 
D. - 
Solve the problem.The diagonal of the floor of a rectangular office cubicle is 2 feet longer than the length of the cubicle and 5 feet longer than twice the width. Find the dimensions of the cubicle. Round to the nearest tenth, if necessary.
A. width: 2 feet, length: 9 feet B. width: 3.9 feet, length: 9.7 feet C. width: 4 feet, length: 11 feet D. width: 9.7 feet, length: 22.4 feet
Divide.
A. -12 B. -2 C. -0.2 D. -1.2