Solve the problem and answer the question.Glenn and Paula want to dig an irrigation channel for their garden. Together it takes them 
to dig an appropriately sized irrigation channel. If Paula can dig the channel by herself in 
how long would it take Glenn to dig the channel by himself? (Round your answer to the nearest tenth of an hour, if necessary.)
A. 3.8 hr
B. 1.2 hr
C. 1.4 hr
D. 2.7 hr
Answer: D
Mathematics
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Perform the indicated operation and round as indicated.5.507 ÷ 6.4 hundredths
A. 1.36 B. 0.86 C. 0.09 D. 0.14
Mathematics
Simplify.|11|
A. 0 B. 11 C. 22 D. -11
Mathematics
Solve the inequality and write the solution set using interval notation; then graph the solution set on a number line. x2 + 5x ? -6
A. (-?, 2] ? [3, ?)
B. [-3, -2]
C. [2, 3]
D. (2, 3)
Mathematics
Let A = { 6, 4, 1, {3, 0, 8}, {9} }. Determine whether the statement is true or false.{{9}} ? A
A. True B. False
Mathematics