Find the sum of the finite geometric series using a formula.1 - 4 + 16 - 64 + 256
A. -341
B. 205
C. -205
D. 341
Answer: B
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Solve the equation.
= 
(All numbers are approximate.)
A. M = 10.6622807 B. M = 0.96929825 C. M ? 2.5 D. M ? 0.60
Solve the problem.A balloon is rising vertically at a distance of 
from an observer. When the angle of elevation is 
it is changing at a rate of 
How fast is the balloon ascending?
A. 5.6 ft/s B. 3.0 ft/s C. 3.3 ft/s D. 2.8 ft/s
In the strip of rectangles shown, a certain rigid motion applied to the leftmost rectangle takes the figure to the next rectangle. Apply the same motion, but to the second rectangle, to draw the image of the second rectangle in the third rectangle. Continue to use the same motion to fill in the successive rectangles.
A. 
B. 
C. 
D. 
Use an integer to express the number.One country exported $81,500,000 less than it imported, giving it a negative trade balance.
A. -81,500,000 B. 81,500,000