Determine the type of curve from the given information.A projectile is fired from the ground at an angle of 45°. The projectile's horizontal distance x and height y are given by 
and 
. If y is expressed as a function of x, what type of curve does this represent?
A. Ellipse
B. Circle
C. Parabola
D. None of the above
Answer: C
Mathematics
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Solve the problem.A standardized math test was given to 4000 students. The scores were normally distributed with a mean of 340 and a standard deviation of 60. How many students scored between 220 and 460?
A. 2720 B. 3800 C. 3992 D. 3900
Mathematics
Provide an appropriate response.Divide 50 m by 5 dm.
A. 100 B. 10 m C. 100 m D. 10 E. none of the above
Mathematics
Provide an appropriate response.Solve the equation: 6 - 4(2x + 3) = 24
A. x = 
B. x = 
C. x = 
D. x = 
Mathematics
Provide an appropriate response.Write the equation of the quadratic function whose graph is shown.
A. y = -(x - 4)2 + 6 B. y = -(x + 4)2 + 6 C. y = -2(x - 4)2 + 6 D. y = (x - 4)2 + 6
Mathematics