Solve the equation.r - 1 = 9
A. r = 8
B. r = -8
C. r = 0
D. r = 10
Answer: D
Mathematics
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Solve the linear system using an inverse matrix.
A. (1, -2) B. (2, -1) C. (-1, 2) D. (-2, 1)
Mathematics
Solve the equation.20y2 + 33y + 10 = 0
A. 
B. 
C. 
D. 
Mathematics
Find the values of x and y.
= 
A. x = 
, y = 5
B. x = 5, y = 5
C. x = 2, y = -3
D. x = 3, y = 5
Mathematics
Multiply.18.95
A. 0.155915 B. 0.135915 C. 0.245915 D. 0.145915
Mathematics