Solve the problem.By switching service providers, a family's telephone bill decreased from about 
a month to about $43. By what percent did the monthly bill decrease?
A. 15%
B.
| 7% |
C. 16.3%
D. 14%
Answer: D
Mathematics
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Convert 816 km to meters.__________ m
Fill in the blank(s) with the appropriate word(s).
Mathematics
Graph the function. State the amplitude, period, and phase shift.y = 4
sin x + 4 cos x
x-scale = 
y-scale = 10
A. Amplitude 4, period 2?, phase shift - 
x-scale =  | y-scale = 10 |
B. Amplitude 8, period ?, phase shift -
x-scale =  | y-scale = 10 |
C. Amplitude 8, period 2?, phase shift -
x-scale =  | y-scale = 10 |
D. Amplitude 4, period ?, phase shift -
x-scale =  | y-scale = 10 |
Mathematics
Write out the first three terms and the last term of the arithmetic sequence.
A. -5 + 25 - 75 + . . . - 1375 B. -5 - 10 - 15 - . . . - 275 C. -1 - 5 - 10 - . . . - 275 D. -5 - 25 - 125 - . . . - 1375
Mathematics
Write the percent as a decimal.44.7%
A. 0.447 B. 4.47 C. 0.0447 D. 44.7
Mathematics