Find an equation for the ellipse described.Center at (0, 0); focus at (0, -6); vertex at (0, 7)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: B
Mathematics
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Express the number in decimal notation.7 × 10-7
A. 0.0000007 B. -700,000 C. 0.00000007 D. 0.000007
Mathematics
Multiply and then, if possible, simplify by factoring.
A. 10x
B. 10
C. 100
D. 
x
Mathematics
Simplify the algebraic expression by collecting and combining like terms.5.2x - 1.8 - 3.9x + 7 + 2.2x
A. 3.5x + 5.2 B. 3.5x - 5.2 C. 3.5x + 8.8 D. 11.3x + 5.2
Mathematics
Write the whole number in standard form.5000 + 30 + 6
A. 5036 B. 563 C. 5360 D. 536
Mathematics