Suppose that ln 2 = a and ln 5 = b. Use properties of logarithms to write each logarithm in terms of a and b.ln 20
A. 4b
B. 2a + b
C. 2a + 2b
D. a + b
Answer: B
Mathematics
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Find the sum of the infinite geometric series.5 - 
+ 
- 
+ . . .
A. 5
B. 4
C. 
D. - 
Mathematics
Order the rational numbers from least to greatest.
, 
A. 
, 
B. 
, 
C. Equivalent
Mathematics
If ?A is an acute angle in a right triangle and sin A= 
, find cos A. Leave the answer in fraction form.
What will be an ideal response?
Mathematics
Find the period and amplitude.
?
?
A. Period: 1; Amplitude: 
B. Period: ?; Amplitude: 
C. Period: 2?; Amplitude: 1
D. Period: 
; Amplitude: 
E. Period: ?; Amplitude: 5
Mathematics