Combine like terms.23.4x + 11.6 - 13.7x - 23.3
A. 10.7x - 11.7
B. -2x
C. 9.7x + 11.7
D. 9.7x - 11.7
Answer: D
Mathematics
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Graph the polar equation.r = 
A. 
B. 
C. 
D. 
Mathematics
Solve the system by the substitution method. Be sure to check all proposed solutions. x + 2y = 146x + 3y = 21
A. {(-7, 0)} B. {(0, 7)} C. {(1, 6)} D. ?
Mathematics
Identify the vertex and axis of symmetry for the parabola.
A. (0, 4); x = 4 B. (0, 4); x = 0 C. (4, 0); x = 4 D. (4, 0); y = 0
Mathematics
The graph of a function f is given. Determine whether ?f is continuous on its domain.
?
?
A. Continuous B. Discontinuous
Mathematics