Solve the equation for ? if 
. Give your answer in degrees.
?
What will be an ideal response?
30°, 90°
Mathematics
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Solve the problem.The size of a population of lions after t months is P = 100 (1 + 0.2t + 0.02t2). Find the growth rate when 
A. 160 lions/month B. 180 lions/month C. 10,020 lions/month D. 140 lions/month
Mathematics
Translate the sentence into an equation. Use x to represent the unknown number. Do not solve.The ratio of a number and 10 is equivalent to the difference of 15 and the number.
A. 
= 15 - x
B. 
= x - 15
C. 
= x - 15
D. 
= 15 - x
Mathematics
If a stone is dropped from a height of 472 feet, its height after t seconds is given by 
. Find the stone's average velocity over the period 
.
?
A. -73 B. -69 C. -72 D. -70 E. -74
Mathematics
Perform the indicated operation and, if possible, simplify.
- 
A. 
B. 
C. 
D. 
Mathematics