Solve the equation.
+ x = 7
A. x = 
B. x = 20
C. x = 2
D. x = 
Answer: D
Mathematics
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Simplify the expression.-8b + 3 + 6b + 3b - 8
A. b + 3 B. b - 5 C. b - 8 D. b + 8
Mathematics
Let P = 
, X = 
, and T = 
, where all the elements are real numbers. Use these matrices to determine whether the statement is true or false for 2 × 2 matrices.k(X + T) = kX + kT, for any real number k.
A. True B. False
Mathematics
Simplify the expression.-14 - (9 - 5q)
A. 5 - 5q B. -23 + 5q C. 23 + 5q D. -5 - 5q
Mathematics
Using a compass and straightedge; Inscribe a circle in ?XYZ.
Mathematics