Identify the conic that is formed by the intersection of the plane described and double-napped cone.

A plane is perpendicular to m and does not intersect the vertex.

What is the conic section formed?

answer opt:
parabola
hyperbola
ellipse
circle

The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11