Evaluate the expression.5 - (-1 + 2 ? -5 - 3)
A. 17
B. -9
C. 19
D. 13
Answer: C
Mathematics
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Use quadratic regression to model the following data.Round your answers to two decimal places, if necessary. x 0 1 3 5 6 y 4 2 10 30 45?
A. 
B. ?
C. 
D. ?
Mathematics
Solve the equation.6x - (5x - 1) = 2
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Find the term number n of the last term of the sequence 11, 20, 29, 38, 47, ... , 2729.
A. 302 B. 303 C. 304 D. 305
Mathematics
Find the vertex, focus, and directrix of the parabola. Graph the equation.y2 + 10y = 12x + 23
A. vertex: (-4, -5)
focus: (-4, -8)
directrix: y = -2
B. vertex: (-4, -5)
focus: (-1, -5)
directrix: x = -7
C. vertex: (-4, -5)
focus: (-4, -2)
directrix: y = -8
D. vertex: (-4, -5)
focus: (-7, -5)
directrix: x = -1
Mathematics