A deck of cards contains 52 cards. These cards consist of four suits - hearts, spades, clubs, and diamonds. Each suit contains one of each of the following: 2, 3, 4, 5, 6, 7, 8, 9, 10, jack, queen, king, and ace. Assume that one card is selected at random from a well-shuffled deck of cards.Find the probability that the card is a red card.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Which of the following is a reason for having students do writing exercises in mathematics?
a. To improve students' mathematical understanding b. To elicit students' attitudes about mathematics c. To encourage metacognitive activity d. All of the above e. None of the above
Mathematics
Solve the initial value problem.
= 9; y "(0) = -3, y '(0) = -3, y(0) = 5
A. y = 
x3 - 
x2 - 3x + 5
B. y = 
x3 + 
x2 - 3
C. y = 5
D. y = 3x3 - 
x2 - 3x + 5
Mathematics
Solve the problem.The following chart shows Tech Support Inc. monthly sales by region for each of the first six months of the year.
A. 
B. 
C. 
D. 
Mathematics
Solve.5 ? y = 75
A. 15 B. 18 C. 16 D. 17
Mathematics