Write the expression in the standard form a + bi.i6
A. i
B. -i
C. 1
D. -1
Answer: D
Mathematics
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Solve.The new mural in the student union shown in the sketch below is in the shape of half an ellipse. Find the equation for the ellipse if the center of the ellipse is at point A.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Estimate the sum or difference by first rounding each value to the indicated place value. Then find the actual sum or difference.231.85 + 4 + 19.782
round each to the nearest one
A. Estimate: 254; Actual: 256.632 B. Estimate: 254; Actual: 255.632 C. Estimate: 256; Actual: 255.632 D. Estimate: 256; Actual: 256.632
Mathematics
Write the first five terms of the arithmetic sequence.a1 = 5; d = -1
A. 9, 7, 5, 3, 1 B. 5, 4, 3, 2, 1 C. 0, 5, 4, 3, 2 D. -5, -4, -3, -2, -1
Mathematics
Solve.
+ 
= 
A. - 
B. - 
, 20
C. 
D. - 
, 
Mathematics