Solve the problem.A 450-piece puzzle is missing 18% of its pieces from its box.How many pieces are in the box?
A. 369
B. 288
C. 531
D. 81
E. 468
Answer: A
Mathematics
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The length of skid marks when a car skids to a stop is a power function of the speed the car is traveling when the brakes are applied. It is observed that if the speed is doubled, the skid mark length increases by a factor of 4. What is the value of the power ?k for this power function? Round your answer to two decimal places if necessary. ?
A. 
B. 
C. 
D. 
Mathematics
The table shows points that all lie on the same line. Find the slope-intercept form for the line.
A. y = x - 5 B. y = -5x C. y = -5 D. y = x + 5
Mathematics
Solve the system of nonlinear equations.x2 + y2 = 56
- y = 0
A. No solution
B. (7, 
), (-7, - 
)
C. (7, 
), (-7, 
)
D. (7, 
)
Mathematics
Graph the solution set of the system of inequalities.y < 3x - 3y > -x - 3
A. 
B. 
C. 
D. 
Mathematics