Fill in the blank with one of the words listed below.
A number that can be written in the form a + bi is called a 
number.
A. conjugate
B. complex
C. i
D. quadratic
Answer: B
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Solve the problem.The grading scale for a C in Amy's biology class is an average on tests between 70% and 80%, inclusive. Amy has 66%, 83%, and 75% on the first three tests this semester. What range of scores on the fourth test would give her a C?
A. Between 70% and 80%, inclusive B. Between 61% and 91%, inclusive C. 91% or better D. Between 56% and 96%, inclusive
The function s = f(t) gives the position of a body moving on a coordinate line, with s in meters and t in seconds.s = 3t2 + 3t + 4, 0 ? t ? 2Find the body's speed and acceleration at the end of the time interval.
A. 19 m/sec, 6 m/sec2 B. 9 m/sec, 2 m/sec2 C. 15 m/sec, 12 m/sec2 D. 15 m/sec, 6 m/sec2
Solve the problem.Suppose that P(x) represents the percentage of income spent on automobile insurance in year x and I(x) represents income in year x. Determine a function A that represents total automobile insurance expenditures in year x.
A. A(x) = (P ? I)(x)
B. A(x) = (I - P)(x)
C. A(x) = (P + I)(x)
D. A(x) = 
(x)
Find the perimeter of the figure.Find the perimeter of a triangle with sides measuring 3
, 3
, and 2
meters.
A. 21
meters
B. 15 + 6
meters
C. 15
+ 6 meters
D. 15
+ 6
meters