Find the standard form of the equation of the ellipse satisfying the given conditions.Foci at (-4, 0), (4, 0); x-intercepts: (-7, 0), (7, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: B
Mathematics
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Find the center of mass of a thin plate covering the given region with the given density function.The region between the x-axis and the curve y = 
, 1 ? x ? 2, with density ?(x) = 
A. 
= 
, 
= 1
B. 
= 
, 
= 
C. 
= 
, 
= 
D. 
= 
, 
= 
Mathematics
In the following problem: a. Put the equation in slope-intercept form.b. Identify the slope and y-intercept. c. Graph the line.3x + 8y = 24
What will be an ideal response?
Mathematics
Identify the triangle as scalene, isosceles, or equilateral.
A. Isosceles B. Scalene C. Equilateral
Mathematics
Identify the digit with the given place value.514,763thousands
A. 0.004 B. 4000 C. 5 D. 4
Mathematics