Evaluate the expression.(-7)2
A. -14
B. -49
C. 14
D. 49
Answer: D
Mathematics
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Solve the problem by integration.Find the moment of inertia with respect to the y-axis for the area bounded by 
the 
and 
where k is the mass per unit area.
A. 
tan-1 16
B. k ln 2
C. 
D. 
Mathematics
In the figure, find the measure of ?1.
Mathematics
Solve.x2 = 121
A. 11 B. -12, 12 C. -11, 11 D. 60.5
Mathematics
Draw the given angle in standard position. Draw an arrow representing the correct amount of rotation. Find the measure of two other angles, one positive and one negative, coterminal with the given angle.160°
A. 340° and -20°
B. 520° and -200°
C. 340° and -20°
D. 520° and -200°
Mathematics