Establish the identity.ln 
= ln 
- ln 
What will be an ideal response?
ln 
= ln 
= ln 
- ln 
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Find the missing length, x, for the similar triangles.
A. x = 16 B. x = 20 C. x = 5 D. x = 15
Use the circle graph to solve the problem.The circle graph below gives the inventory of the women's department of a store.
In which item of apparel does the store have the smallest investment?
A. Skirts B. Socks C. Lingerie D. Coats
Solve the problem.An arrow is fired into the air with an initial velocity of 160 feet per second. The height in feet of the arrow t seconds after it was shot into the air is given by the function 
Find the maximum height of the arrow.
A. 80 ft B. 1200 ft C. 400 ft D. 720 ft
Solve the application problem.The population of fruit flies x days after the first mating of ten flies is given by the function 
What is the population of fruit flies after 20 days? After 30 days?
A. 22 fruit flies; 49 fruit flies B. 12 fruit flies; 49 fruit flies C. 12 fruit flies; 127 fruit flies D. 22 fruit flies; 127 fruit flies