Perform the indicated operation.
- 
A. 
y2 - 
y + 
B. - 
y2 + 
y + 
C. - 
y2 - 
y - 
D. 
y2 + 
y - 
Answer: B
Mathematics
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Perform the addition or subtraction and give your answer in Hindu-Arabic form.
A. 3391 B. 4291 C. 4201 D. 4301
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. (-2)2(-2)3
A. -64
B. -32
C. 
D. 
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Find the exact value of the indicated trigonometric function of ?.tan ? = - 
, ? in quadrant IIFind cos ?.
A. 
B. - 
C. 
D. - 
Mathematics
Use the formula to find the value of the variable indicated. Use a calculator to save time and where necessary, round your answer to the nearest hundredth.A = 
bh; find b when A = 16 and h = 6.
A. b = 5.33 B. b = 1.33 C. b = 0.19 D. b = 48
Mathematics