Decide whether the following is an expression or an equation. If it is an expression, simplify it. If it is an equation, solve it.
A. Expression; 
B. Expression; x - 5
C. Equation; -5
D. Equation; 5
Answer: A
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Perform the indicated operations.(2x - 7)(x - 11)
A. x2 - 29x - 30 B. 2x2 - 30x + 77 C. 2x2 - 29x + 77 D. x2 + 77x - 29
Solve the problem by guessing and adjusting.Ramon spent twice as long on his English homework as he did on his History homework. If he spent 60 minutes on the two combined, then how long did he spend on his History homework?
A. 10 minutes B. 12 minutes C. 40 minutes D. 20 minutes
If the function is one-to-one, find its inverse. If not, write "not one-to-one."{(19, 5), (10, -1), (-19, 7)}
A. not one-to-one B. {(5, 19), (-19, 10), (7, -1)} C. {(5, 19), (-1, 10), (7, -19)} D. {(19, -1), (19, 10), (7, -19)}
Simplify the expression.-42
A. 16 B. 8 C. -8 D. -16