Perform the indicated operation.20 lb 15 oz - 9 lb 14 oz
A. 10 lb 1 oz
B. 11 lb 1 oz
C. 30 lb 13 oz
D. 29 lb 13 oz
Answer: B
Mathematics
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Use the information below to determine the indicated set. U = {x | x ? N and x ? 12} A = {x | x ? N and 6 < x < 12} B = {x | x ? N and x is even and x < 12}A ? B'
A. {1, 3, 5, 7, 8, 9, 10, 11, 12} B. {1, 3, 5, 12} C. {7, 9, 11, 12} D. {7, 9, 11}
Mathematics
Write the word phrase as an algebraic expression. Use x to represent the unknown number.7 times a number, minus 9
A. 7x - 9 B. 9x - 7 C. 7 - 9x D. 9 - 7x
Mathematics
Graph the system of inequalities.2x + 3y ? 6 x - y ? 3 y ? 2
A. 
B. 
C. 
D. 
Mathematics
Use a calculator to approximate the exponential expression to six decimal places.e-0.10
A. 1.105171 B. 0.904837 C. -0.271828 D. 1.000000
Mathematics