Find the cardinal number of the indicated set. Use the cardinal number formula.If n(A) = 25, n(A ? B) = 73, and n(A ? B) = 21, find n(B).
A. 68
B. 48
C. 70
D. 69
Answer: D
Mathematics
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Solve the equation for complex solutions.(x + 2)2 = -44
A. 2i
, -2i
B. -2 + 2
, -2 - 2
C. 2
- 2, 2
+ 2
D. -2 + 2i
, -2 - 2i
Mathematics
Solve the problem.The position of an object moving in a straight line is given by where s is in meters and t is the time in seconds the object has been in motion. How far will an object move in 17 seconds?
A. 1292 m B. 68 m C. 1156 m D. 2516 m
Mathematics
Simplify. (Assume all variables are nonzero.)
A. (a - 7b)30 B. (a - 7b)10 C. (a - 7b)2 D. (a - 7b)200
Mathematics
. If AB = 4, XY = 10, and the area of is 7.8
src="https://sciemce.com/media/4/ppg__cognero__Section_8.2_Perimeter_and_Area_of_Polygons__media__e4f256d4-85ea-4ce6-986a-505dbb539d86.PNG" />, find the area of
What will be an ideal response?
Mathematics