Provide an appropriate response.Explain the difference between a pyramid and a cone.
What will be an ideal response?
A pyramid has a polygon for a base, but a cone has a circle for a base.
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Add or subtract as indicated.(12mn2 - 6m2n2) + (
) + (-7mn + 9m2n)
A. -3m2n2 + 9m2n + 12mn2 - 15mn B. 1mn + 12mn2 + 9m2n - 3m2n2 C. 3m2n2 D. -15mn + 21m2n - 3m2n2
Graph the ellipse and label the center.
+ 
= 1
A. C(3, 0)
B. C(-3, 0)
C. C(0, 3)
D. C(0, -3)
Solve the problem.The area of a rectangular wall in a classroom is 210 square feet. Its length is 9 feet shorter than three times its width. Find the length and width of the wall of the classroom.
A. width = 10 ft; length = 21 ft B. width = 10 ft; length = 19 ft C. width = 10 ft; length = 39 ft D. width = 10 ft; length = 37 ft
Find the slope and y-intercept of the line.x + y = 9
A. slope = 1; y-intercept = 9 B. slope = -1; y-intercept = 9 C. slope = 0; y-intercept = 9 D. slope = -1; y-intercept = -9