Translate the English expression into an algebraic expression. Use x to represent the unknown number.The opposite of a number
A. 1 - x
B. 
C. -x
D. 1 ÷ x
Answer: C
Mathematics
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Solve the problem.Edwardo wants to make a walk out of paving brick. He has enough bricks to pave 26 square yards. How long can the walk be if it is 4 feet wide? (3 feet = 1 yard)
A. 6
yards
B. 8
yards
C. 19
yards
D. 34
yards
Mathematics
Plot the point in the xy-plane. Tell in which quadrant or on what axis the point lies.(-6, 5) 
A. 
Quadrant I
B. 
Quadrant III
C. 
Quadrant II
D. 
Quadrant IV
Mathematics
Use the LCD to simplify and solve.
(r + 6) = 
(r + 8)
A. 3 B. -4 C. 4 D. 6
Mathematics
Evaluate the expression for the given replacement values.y - 2.5(0.41 + x), for x = 20.3, y = 87.2
A. 138.975 B. 35.425 C. 65.875 D. 105.41
Mathematics