Find the area of the shaded figure. Assume the curves are semicircles. Round your answer to the nearest hundredth.
60.24 sq. cm
Mathematics
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Find a unit vector u in the direction of the given vector.
A. 
B. 
C. 
D. 
Mathematics
Completely factor the polynomial or state that the polynomial is prime.9x4 - 3x2 - 20
A. (3x2 + 1)(3x2 - 20) B. (3x - 4)(3x + 5) C. (9x2 - 5)(x2 + 4) D. (3x2 - 5)(3x2 + 4)
Mathematics
Find the slope and the y-intercept of the line.3y + 7x = -8
A. m = -7; b = -8
B. m = 3; b = 0
C. m = 
; b = 0
D. m = - 
; b = - 
Mathematics
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = -3(x + 1)2 - 2
A. 
B. 
C. 
D. 
Mathematics