Solve the problem.A high school graduating class is made up of 470 students. There are 124 more girls than boys. How many boys are in the class?
A. 297 boys
B. 173 boys
C. 124 boys
D. 470 boys
Answer: B
Mathematics
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Identify where f is increasing or where f is decreasing, as indicated. Round your answer to two decimal places when appropriate.f(x) = x3 - 4x - 7; decreasing
A. (-?, -1.15] ? [1.15, ?) B. [-1.15, 1.15] C. [-2.00, 2.00] D. (-?, -1.15]
Mathematics
Express using positive exponents. Then simplify.(-3)-4
A. -81
B. - 
C. 
D. 81
Mathematics
Solve.ln e9x = 63
A. 63 B. 14 C. 7 D. 17
Mathematics
Solve the problem.How many 7-symbol codes can be formed using 4 different symbols? Repeated symbols are allowed.
A. 840 B. 16,384 C. 35 D. 210
Mathematics