In a classroom there are 13 female students and 9 male students. If a teacher picks a student at random, what is the probability that the student is a female?
A. 
B. 
C. 
D. 
E. 
Answer: E
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Solve the problem.A ladder leans against a building that has a wall slanting away from the ladder at an angle of 96° with the ground. If the bottom of the ladder is 23 feet from the base of the wall and it reaches a point 52 feet up the wall, how tall is the ladder to the nearest foot?
A. 61 ft B. 59 ft C. 60 ft D. 58 ft
Perform the indicated operations and simplify the result so there are no quotients.
- 
A. 1 B. 1 - sin ? C. - sec2? D. 0
Simplify the expression and write the answer without negative exponents.
A. 
B. 
C. 
D. 
Find the volume of the geometric solid. If needed, use 3.14 as an approximation for ? and round the answer to the nearest tenth.Circular cylinder: r = 7 m, h = 20 m
A. 6154.4 m3 B. 439.6 m3 C. 3077.2 m3 D. 879.2 m3