Solve the system of equations using elimination.
A. x = 9, y = 0; x = 9, y = 9
B. x = -9, y = 0; x = -9, y = 9
C. x = 9, y = 0; x = -9, y = 0
D. x = 9, y = 9; x = -9, y = 9
Answer: C
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Solve the problem. Round to the nearest hundredth, if necessary.A bank's loan officer rates applicants for credit. The ratings are normally distributed with a mean of 240 and a standard deviation of 85. If an applicant is randomly selected, find the percentage of applicants with a rating that is between 190 and 265.
A. 61.41% B. 5.89% C. 27.76% D. 33.65%
Provide an appropriate response.Find the roots of the following equation: (2x - 3)(x + 5) = 0
Fill in the blank(s) with the appropriate word(s).
The graphing calculator screens show a system and the point of intersection. Choose the screen which best represents the given system.y = 2.5x + y = 5
A. 
B. 
C. 
D. 
Perform the indicated multiplication.-5(-5)(-5)
A. -135 B. -115 C. 125 D. -125