Perform the indicated operation and express in lowest terms.
+ 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the expression.u = 5i + j, v = -6i - 9j ; Find 7v - u.
A. -37i + 64j B. 64i + 47j C. -47i - 64j D. -47i - 6j
Mathematics
Write the product as a sum or difference of trigonometric functions.8 sin 57° cos 101°
A. 4[sin 158° - sin(-44°)] B. 4[sin 158° + sin(-44°)] C. 4[cos 158° + cos(-44°)] D. 8[cos 158° + cos(-44°)]
Mathematics
Rewrite the rational expression using the specified denominator D.
, D = 49x6y5
A. 
B. 
C. 
D. 
Mathematics
Draw the angle.
A. 
B. 
C. 
D. 
Mathematics