Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer.
A. 
B. 
C. 
D. 
Answer: A
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Solve.A fish tank holds 6.0 liters of water. How many gallons does the tank hold, to the nearest tenth?
A. 6.4 gal B. 1.6 gal C. 5.7 gal D. 22.7 gal
The given number is a whole number, an integer, a rational number, a real number, or more than one of these. List all that apply.
A. Integer, rational number, real number B. Real number C. Rational number D. Rational number, real number
A formula is given, along with values for all but one of the variables in the formula. Find the value of the variable that is not given.I = prt for t = 3, p = 250, r = 0.01
A. I = 0.1875 B. I = 7.5 C. I = 18.75 D. I = 0.3
Find the expected value.Suppose that 1,000 tickets are sold for a raffle that has the following prizes: one $300 prize, two $100 prizes, and one hundred $1 prizes. What is expected value of a ticket?
A. $300 B. $0.60 C. $1 D. $100