Write the expression in the standard form a + bi.4(3 - 3i)
A. 12 + 12i
B. 12i - 3i
C. 12 - 12i
D. 3 - 12i
Answer: C
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Solve the problem.The following table shows the rate of water flow (in gal/min) from a stream into a pond during a 30-minute period after a thunderstorm. Use the Trapezoidal Rule to estimate the total amount of water flowing into the pond during this period. Round your answer to the nearest gallon.
A. 7050 gal B. 7725 gal C. 7733 gal D. 8725 gal
Solve the equation for x. Write your answer as an improper fraction if necessary. -7x + 3 = 9 - 3x
A. x = 
B. x = - 
C. x = - 
D. x = - 
Find area of circle. (Use 3.14 for ?)A circle whose diameter is 18 cm
A. 1017.36 cm2 B. 254.34 cm2 C. 56.52 cm2 D. 28.26 cm2
Add or subtract. Assume that variables represent nonnegative values.8
- 5x
A. 3x
B. 3x
C. 13
D. 8
- 5x