Classify the following as the equation of a parabola, a circle, an ellipse, or a hyperbola.4x2 = 25 - 4y2
A. Hyperbola
B. Circle
C. Ellipse
D. Parabola
Answer: B
Mathematics
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Find the LCD for the set of fractions.
, 
, 
A. 6 B. 30 C. 15 D. 10
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Approximate the area under the curve and above the x-axis using n rectangles. Use left endpoints.f(x) = 2x + 3 from x = 0 to x = 2; n = 4
A. 9 B. 24 C. 18 D. 11
Mathematics
Use the appropriate addition formula to find the exact value of the expression.cos 
A. 
B. 
+ 
C. 
- 
D. 
Mathematics
The number of desks in one row is 
. How many desks are there in a room of 
rows if they are arranged in a rectangular arrangement?
?
A. 
B. 
C. 
D. 
E. 
Mathematics