Evaluate the expression.82 - 2 ? 7
A. 50
B. 434
C. 336
D. 252
Answer: A
Mathematics
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Graph the horizontal or vertical line.y = 5
A. 
B. 
C. 
D. 
Mathematics
Determine whether the following is an expression or an equation. If it is an expression, simplify if possible and evaluate it for x = 2. If it is an equation, solve it.
= 
A. Equation; 0
B. Expression; x + 6; 8
C. Equation; - 
D. Equation; 
Mathematics
Subtract.-14 - (-5)
A. -19 B. -9 C. 19 D. 9
Mathematics
Find the exact value of the expression.cos (60° - 45°)
A. 
B. 
C. 
D. 
Mathematics