Use the even-odd properties to find the exact value of the expression. Do not use a calculator.sec 
A. 
B. 2
C. - 
D. -2
Answer: A
Mathematics
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Name the property used to go from step to step each time that (why?) occurs.8(x + 5) + 5x= (8x + 40) + 5x (why?)= (40 + 8x) + 5x (why?)= 40 + (8x + 5x) (why?)= 40 + (8 + 5)x (why?)= 40 + 13x = 13x + 40 (why?)
What will be an ideal response?
Mathematics
Convert the fraction to a decimal. If a division does not come out evenly, round the answer to the nearest thousandth.
A. 1.25 B. 0.013 C. 0.125 D. 8
Mathematics
Verify the identity.cos 4? = 2 cos2(2?) - 1
What will be an ideal response?
Mathematics
Compute the length of the given vector. p(t) = 3t + 4 and q(t) = 4t - 5, where t0 = 0, t1 = 1, t2 = 2
A. 
= 
; 
= 
B. 
= 
; 
= 
C. 
= 
; 
= 
D. 
= 
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= 
Mathematics