Express the number in decimal notation.8.1 × 105
A. 81,000
B. 8,100,000
C. 405
D. 810,000
Answer: D
Mathematics
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Write an equation in slope-intercept form of a line satisfying the set of conditions.Through (6, 14), perpendicular to -7x + 9y = 30
A. y = 
x - 
B. y = - 
x + 
C. y = 
x - 
D. y = - 
x - 
Mathematics
Simplify the expression.
? 
+ 
? 
A. 
B. 
C. 
D. 
Mathematics
Solve by the substitution method.x + 2y = 13x + 3y = 3
A. (0, 1) B. (1, 3) C. (-1, -1) D. (1, 0)
Mathematics
Use the distributive property to help simplify the expression.
A. 
B. 
C. 
D. 
E. 
Mathematics