Find the product and write the result in standard form.(-3 + i)(-3 - i)
A. 9
B. -8
C. 10
D. -3
Answer: C
Mathematics
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Write each inequality in interval notation and graph the interval on a number line.0 < x < 4
A. [0, 4]
B. (0, 4)
C. (0, 4]
D. [0, 4)
Mathematics
Evaluate.Find (g - f)(-2) given f(x) = x2 + 9x - 10 and g(x) = 100 - x2.
A. 120 B. 128 C. 92 D. -120
Mathematics
Use estimation to find the expected value. Do not calculate. ? The expected value of playing a $1 game of blackjack is $0.04, find the netted value after playing the game 100 times. ? The netted value is $__________.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the problem.What will it cost to buy ceiling molding to go around a rectangular room with length 20 ft and width 9 ft? The molding costs $3 per foot.
A. $54 B. $120 C. $87 D. $174
Mathematics