Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.six painters can paint four rooms in 7 hours. How many rooms can a painter paint in 1 hour?
A. 
of a room
B. 28 rooms
C. 
of a room
D. 
of a room
Mathematics
Evaluate the integral.
A. 
sin
+ C
B. -2 sin
+ C
C. 2 cos
+ C
D. - 
cos
+ C
Mathematics
Draw a scatter diagram.
A. 
B. 
C. 
D. 
Mathematics
Determine the area of the triangle. If necessary, round the answer to two decimal places.a = 12, b = 15, C = 52°
A. 35.46 B. 70.92 C. 88.80 D. 141.84
Mathematics