Solve.
+ 
= 4
A. -2
B. 0
C. 
, -2
D. 2, -2
Answer: A
Mathematics
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Write the decimal number that represents the shaded part. 
A. 0.667 B. 0.4 C. 2.5 D. 1.5
Mathematics
Simplify the complex fraction.
A. 
B. 
C. 
D. 
Mathematics
Find the foci of the ellipse whose equation is given.36(x - 3)2 + 25(y + 1)2 = 900
A. foci at (-3, -1 - 
) and (-3, -1 + 
)
B. foci at (4, -1 - 
) and (4, -1 + 
)
C. foci at (3, -1 - 
) and (3, -1 + 
)
D. foci at (-1, 3 - 
) and (-1, 3 + 
)
Mathematics
Estimate the product by first rounding each number so that there is one nonzero digit.29.8 × 4.7
A. 1500 B. 15,000 C. 15 D. 150
Mathematics