Express in terms of i.- 
A. -7
B. 7
C. -7i
D. 7i
Answer: C
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If a rock falls near the surface of any planet, the distance fallen D, in feet, is proportional to the square of the time t, in seconds, since the rock was dropped. This fact can be expressed by the formula
.
A: From time 
to time 
, by what factor has time increased?B: By what factor does distance increase from time to time 
?C: By what percentage does distance increase from time to time 
?
?
What will be an ideal response?
Find the mean for the group of data items. Round to the nearest hundredth, if necessary.2.5, 5.9, 7.6, 1.3, 2.5, 2.2, 2.5, 2.6, 2.6, 9.1
A. 4.31 B. 3.62 C. 3.88 D. 3.38
Write the number as a product of a real number and i. Simplify the radical expression.
A. -4i
B. 4
C. 4i
D. -4
Fill in the blank with one of the words or phrases listed below.
is compounded not only on the principal, but also on interest already earned in previous compounding periods.
A. Commission B. Compound interest C. Percent of increase D. Percent of decrease