Solve the system of equations using matrices. 5x + y = 5 7x + 2y = 4
A. (2, -2)
B. (-5, 2)
C. (-5, -2)
D. (2, -5)
Answer: D
Mathematics
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Graph on the number line.-5.3
A. 
B. 
C. 
D. 
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Sketch the curve.y2 = 20x
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Suppose you pay $3.00 to roll a fair die with the understanding that you will get back $9.00 for rolling a 5 or a 1, nothing otherwise. What are your expected winnings?
A. $3.00 B. $9.00 C. $0 D. -$3.00
Mathematics
Convert the angle given in radian measure into degrees. Round to two decimal places if needed.
? radians
A. 940?° B. 8° C. 235° D. 470°
Mathematics