Solve the equation.
+ 
= 4
A. 2, -2
B. 
, -2
C. -2
D. 0
Answer: C
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Solve the problem.Write (in the same base) the counting numbers just before and just after DB2sixteen.
A. CA1sixteen, EC3sixteen B. CA1sixteen, CA3sixteen C. DB1sixteen, DB3sixteen D. DBsixteen, DB4sixteen
Use a graphing calculator to sketch the graph of the quadratic equation, and then state the domain and range.y = -2x2 + 6x - 5
A. D: (x ? 1.5), R: (y ? -5) B. D: (x ? 1.5), R: all real numbers C. D: all real numbers; R: (y ? -0.5) D. D: all real numbers; R: (y ? -0.5)
A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given.A = 
(b + B)h; A = 93, b = 13, B = 18
A. 6 B. 62 C. 234 D. 15.5
What is the locus of points that are at distance 3 cm from the sphere with center S and whose length of radius is 3 cm.?
What will be an ideal response?