Solve the linear system by using an inverse matrix.
A. {(6, 2)}
B. {(-6, -2)}
C. {(-2, -6)}
D. {(2, 6)}
Answer: D
Mathematics
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Translate the percent problem to a proportion using x for the unknown value. Do not solve the proportion.What is 111% of 12?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Find the area of the figure. Use 3.14 for ?. Round results to one decimal.
A. Not enough data B. 26.5 yd2 C. 27.8 yd2 D. 34.1 yd2
Mathematics
Identify the like terms in the algebraic expression.x2 + 7x - 22y - 19x2 + 5y2 - y
A. x2 and -19x2 and 5y2; 7x, -22y and-y B. x2, -19x2 and 7x; -22y, 5y2 and-y C. x2 and -19x2; -22y and-y D. x2 and 19x2; 22y and y
Mathematics
Graph the function, and state its domain and range.f(x) = -
+ 5
A. Domain: [0, ?); Range: (-?, -5]
B. Domain: [5, ?); Range: (-?, 0]
C. Domain: [0, ?); Range: (-?, 5]
D. Domain: [-5, ?); Range: (-?, 0]
Mathematics