Find the standard-form equation for an ellipse which satisfies the given conditions.An ellipse centered at the origin having focus at (4, 0) and eccentricity equal to 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ y2 = 1
Answer: C
Mathematics
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Write a numerical expression for the phrase and simplify it.The quotient of -180 and the sum of 8 and 12
A. -180 + 8 + 12; -160
B. 
; 9
C. 
; - 
D. 
; -9
Mathematics
Solve by transforming the augmented matrix into row echelon form.
A. (2, 7, 5) B. no solution C. (2, 5, 7) D. (-2, 7, 4)
Mathematics
Change the exponential expression to an equivalent expression involving a logarithm.62 = 36
A. log366 = 2 B. log636 = 2 C. log62 = 36 D. log236 = 6
Mathematics
Write a word name for the decimal.558.06
A. Five hundred and fifty-eight and six hundredths B. Five hundred fifty-eight and six hundredths C. Five hundred and fifty-eight and six tenths D. Five hundred fifty-eight and six thousandths
Mathematics