Solve the problem.Susie spent $20.49 on lunch and left a 15% tip. Estimate the amount of the tip.
A. $1.33
B. $3.00
C. $300.00
D. $133.33
Answer: B
Mathematics
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Using Green's Theorem, find the outward flux of F across the closed curve C.F = (-y - ey cos x)i + (y - ey sin x)j ; C is the right lobe of the lemniscate r2 = cos 2? that lies in the first quadrant.
A. 0
B. 
C. 
D. 1
Mathematics
Solve the triangle.a = 8, c = 7, B = 90°
A. b = 10.63, A = 41.2°, C = 48.8° B. b = 9.63, A = 41.2°, C = 48.8° C. b = 10.63, A = 48.8°, C = 41.2° D. b = 11.63, A = 48.8°, C = 41.2°
Mathematics
Solve the system of equations graphically, if a solution exists.3x + 2y = 14-2x + 3y = 8
A. x = 2, y = 4 B. x = 4, y = 2 C. x = 3, y = 14 D. No solution
Mathematics
Evaluate the polynomial.-2x2 - y2 + xy for x = -2 and y = 3
A. 11 B. -5 C. -11 D. -23
Mathematics