Add. Do not use a number line except as a check.344 + (-77) + 62 + (-250) + (-56) + 468
A. 491
B. -1257
C. 603
D. -491
Answer: A
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Sketch the subset on the real number line, and state whether the interval is bounded or unbounded. ? (-2, 2] ?
A. 
The interval is unbounded.
B.
The interval is unbounded.
C.
The interval is bounded.
D.
The interval is bounded.
E.
The interval is unbounded.
Solve the problem.Suppose you pay $2.00 to roll a fair die with the understanding that you will get back $6.00 for rolling a 1 or a 5, nothing otherwise. What are your expected winnings?
A. $0.00 B. -$2.00 C. $2.00 D. $6.00
Use the distributive property to multiply. Then, if possible, simplify the resulting expression.4(a + b)
A. 4ab B. 8ab C. 4a + 4b D. 4a + b
Determine the given complex number raised to a power and write the answer in rectangular form.(cos 30° + i sin 30°)12
A. -1 B. i C. 1 D. -i