Suppose that ln 2 = a and ln 5 = b. Use properties of logarithms to write each logarithm in terms of a and b.ln 
A. 
(a2 + b)
B. 
(2a + b)
C. 
(a + b)
D. 
(a - b)
Answer: B
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Answer the question.Which of the following describes a study in which the participants naturally form groups by choice?
A. Observational study B. Double-blind experiment C. Single-blind experiment D. Case-control study
Find all values of x in the interval [0°, 360°) that satisfy the equation. Round approximate answers to the nearest tenth of a degree.sin x = 4 cos x
A. { 14.0°, 346.0°} B. { 76.0°, 256.0°} C. { 76.0°, 284.0°} D. { 14.0°, 194.0°}
Solve.A formula for the circumference of a circle is C = 2?r, where r is the radius of the circle. (i) Solve the formula for r. (ii) A circle has a circumference of 42? meters. Find the radius, r, of the circle.
A. (i) r = 
(ii) 21 m
B. (i) r = 
(ii) 42 m
C. (i) r = 
(ii) 7 m
D. (i) r = 
(ii) 11 m
Graph the inequality.y ? x - 5
A. 
B. 
C. 
D. 