Simplify.-17 + 18 - 11 - (-6)
A. -4
B. -30
C. -16
D. 6
Answer: A
Mathematics
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Express in terms of sums and differences of logarithms.log8
A. log819 + 
log8r - log8s
B. log8(19
) - log8s
C. log8s - log819 - 
log8r
D. log819 ? 
log8r ÷ log8s
Mathematics
VR1 = 5.2 V, VR4 = 9.0 V. What is the value of E?
What will be an ideal response?
Mathematics
The figure shows angle ? in standard position with its terminal side intersecting the unit circle. Evaluate sin ? and cos ?.
A. sin ? = - 
, cos ? = 
B. sin ? = - 
, cos ? = 
C. sin ? = - 
, cos ? = - 
D. sin ? = 
, cos ? = - 
Mathematics
Evaluate the expression without using a calculator, and write your answer in radians.
?
What will be an ideal response?
Mathematics