Find the vertex of the parabola.y = x2 + 8x + 8
A. (-4, 24)
B. (-4, -8)
C. (4, -24)
D. (4, 24)
Answer: B
Mathematics
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Use a graphing calculator to graph the hyperbola.2.7x2 - 5y2 = 13
A. y = ±
B. y = ±
C. y = ±
D. y = ±2.7
Mathematics
Provide an appropriate response.Write A = 
if A is 2 × 2 and aij = 2i + j.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Convert the angle to decimal degrees and round to the nearest hundredth of a degree.126°49'49"
A. 126.83° B. 126.79° C. 126.84° D. 126.89°
Mathematics
Solve the problem.Suppose that a family has 5 children and that the probability of having a girl is 
. What is the probability of having at least three boys?
A. 0.3125 B. 0.5000 C. 0.1563 D. 0.4688
Mathematics