Simplify.
A. 5r + 3s
B. 
C. 3r + 5s
D. 
Answer: A
Mathematics
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Replace the Cartesian equation with an equivalent polar equation.x2 + (y - 14)2 = 196
A. r2 = 28 cos ? B. r = 28 sin ? C. r = 14 sin ? D. r = 28 cos ?
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State the period of the function and graph.cos 
+ 2
A. Period 2?
B. Period 2?
C. Period 2?
D. Period 2?
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Use the figure below in following problems
1. Find the measure of angle 1. 2. Find the measure of angle 2. 3. Find the measure of angle 3. 4. Find the measure of angle 4.
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Divide and, if possible, simplify. Assume all variables represent positive numbers.
A. a2z4 
B. 3a8z19 
C. 3a2z4 
D. 3az 
Mathematics