Solve and simplify.
+ y = 
A. y = 2
B. y = 
C. y = 
D. y = 
Answer: C
Mathematics
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Find the exact value of the trigonometric function. Do not use a calculator or tables.cos 
A. - 
B. 
C. - 
D. 
Mathematics
Evaluate the square root. If the root is irrational then approximate the square root to the nearest hundredth.
A. 0.2 B. 0.03 C. 0.02 D. 0.01
Mathematics
Factor and simplify the algebraic expression.(x + 5)2/5 - (x + 5)12/5
A. (x + 5)((x + 5)2/5 - (x + 5)12/5) B. (x + 5)2/5 (- x2 - 10x - 24) C. (x + 5)(- x2 - 10x + 24) D. (x + 5)12/5 ((x + 5)1/6 - 1)
Mathematics
Solve by completing the square.a2 + 6a + 5 = 0
A. a = 1, 5
B. a = -1, -5
C. a = ±
D. a = 10, -5
Mathematics