Perform the indicated operation.(5x2 - x - 6) + (-2x2 - 4x + 3)
A. 3x2 + 3x - 3
B. -3x2 + 3x + 3
C. 3x2 - 3x - 9
D. 3x2 - 5x - 3
Answer: D
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Solve the problem.To find the distance AB across a river, a distance BC = 1101 m is laid off on one side of the river. It is found that B = 112.8° and C = 12.0°. Find AB rounded to the nearest meter.
A. 279 m B. 282 m C. 230 m D. 233 m
Solve.10,500 college students were asked to name their favorite sport. Of this group, 
said basketball, 
said soccer, 
said baseball, 
said they had no favorite sport, and the remainder said volleyball. How many named each sport? 
A. Basketball: 3,500 Soccer: 2,100 Baseball: 1,800 Volleyball: 2,575 None: 525 B. Basketball: 3,500 Soccer: 2,100 Baseball: 1,750 Volleyball: 2,635 None: 515 C. Basketball: 3,500 Soccer: 2,100 Baseball: 1,750 Volleyball: 2,625 None: 525 D. Basketball: 3,500 Soccer: 2,050 Baseball: 1,750 Volleyball: 2,675 None: 525
Let x represent one number and let y represent the other number. Use the given conditions to write a system of nonlinear equations. Solve the system and find the numbers.The sum of two numbers is 25 and their product is 144. Find the numbers.
A. 16 and -9; -16 and 9 B. 16 and 9; -16 and -9 C. 16 and 9 D. -16 and -9
Use a definite integral to find an expression that represents the area of the region between the given curve and the x-axis on the interval [0, b].y = 24?x2
A. -8?b3 B. 8?b3 C. -48?b D. 48?b