Write an equation for a cross section of the parabolic ear (used to hear sounds from a distance) shown in the picture.

?
d = 2.25 inches
A.
B. ?
C. ?
D. ?
E.
Answer: E
Mathematics
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Subtract.5611
A. 4636 B. 362 C. 4638 D. 4616
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Solve the problem.What is the additive inverse of ?
A. -
B.
C. - 11
D. -
Mathematics
Provide an appropriate response.Identify whether the slope is positive, negative, zero, or undefined.
A. Negative B. Zero C. Undefined D. Positive
Mathematics
Find the slope of the line.3y = -x + 13
A. 3
B.
C. -3
D. -
Mathematics