Provide an appropriate response.True or false? If a < 0 and b < 0, then 
? 
= 
.
A. False
B. True
Answer: A
Mathematics
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Use a proportion to solve the problem.It takes Sarah 14 minutes to type and spell check 6 pages of a manuscript. Find how long it takes her to type and spell check 45 pages. Round answers to the nearest whole number if necessary.
A. 14 min B. 19 min C. 630 min D. 105 min
Mathematics
Use the multiplication property of equality to solve the equation. -k = 21
A. -20 B. 20 C. -21 D. 21
Mathematics
Find the probability.One digit from the number 4,868,338 is written on each of seven cards. What is the probability of drawing a card that shows 4, 8, or 6?
A. 
B. 
C. 
D. 
Mathematics
Solve and graph. Write the result in interval notation.
x ? 7
A. (?, 9]
B. (?, 7]
C. [9, ?)
D. [7, ?)
Mathematics