Evaluate the expression for the given values of x and y.17 ? 
when x = 21 and y = 7
A. 
B. 
C. 357
D. 51
Answer: D
Mathematics
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Determine whether the given equations are equivalent equations.3x - 5 = 7, 3x = 12, x = 4
A. Equivalent equations B. Not equivalent equations
Mathematics
Write the word statement in symbols.Seven is not equal to four.
A. 7 ? 4 B. 7 ? 4 C. 7 < 4 D. 7 > 4
Mathematics
Determine the slope and the y-intercept. Then graph the equation.y = 4x - 6
A. m = 6, y-intercept: (0, 4)
B. m = 4, y-intercept: (0, 6)
C. m = 6, y-intercept: (0, 4)
D. m = 4, y-intercept: (0, - 6)
Mathematics
Perform the indicated operation. Simplify if possible.
- 
A. 
B. 
C. 
D. 
Mathematics