Write the sentence as an equation. Let the variable x represent the number.Three times a number is equal to 20 decreased by the number.
A. 3x = 20 - x
B. 3 + x = 20 - x
C. 3x = 20 + x
D. 3x = x - 20
Answer: A
Mathematics
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Multiply.-3 ? (0)
A. -6 B. 0 C. 3 D. -3
Mathematics
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = 
+ 6
A. 
B. 
C. 
D. 
Mathematics
Solve the problem. If necessary, round to the nearest tenth.An airport has a sloping ramp from the terminal down to the door of an airplane. The door of the airplane is 49 feet away from the terminal (at the point where the ramp starts) and is 7 feet below the terminal side of the ramp. How long is the ramp?
A. 7.5 ft B. 9.9 ft C. 49.5 ft D. 48.5 ft
Mathematics
Rationalize the numerator of the expression.
?
What will be an ideal response?
Mathematics