Solve the problem.The perimeter of a rectangular room is 42 ft. The width is 7 ft. Find the length.
A. 15 ft
B. 13 ft
C. 14 ft
D. 35 ft
Answer: C
Mathematics
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Find the numerical value of the expression for 
and 
5x
A. a) 20 b) 90 B. a) 90 b) 20 C. a) 9 b) 23 D. a) 23 b) 9
Mathematics
Solve the problem.The age distribution of students at a community college is given below. Age (years)Number of students (f)
1121?A student from the community college is selected at random. Find the probability that the student is at least 31. Round to the nearest thousandth.
A. 0.072 B. 0.047 C. 0.928 D. 81
Mathematics
The given pattern continues. Write down the nth term of the sequence suggested by the pattern.2, 4, 8, 16, 32, ...
A. an = 2n B. an = 2n-1 + 1 C. an = 2 + 2(n - 1) D. an = 2n
Mathematics
Find the exact value of the composition.cot-1 
A. - 
B. 
C. 
D. - 
Mathematics