Find the foci of the ellipse.16x2 - 32x + 25y2 + 250y + 241 = 0

A. (-5, -3), (-5, 5)
B. (-3, -5), (5, -5)
C. (-4, -5), (6, -5)
D. (-2, -5), (4, -5)


Answer: D

Mathematics

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A formula is given, along with values for all but one of the variables in the formula. Find the value of the variable that is not given. Round to the nearest hundredth when necessary.A = (b + B)h; A = 93, b = 15, B = 16

A. h = 240 B. h = 15.5 C. h = 6 D. h = 62

Mathematics

Provide an appropriate response.Why does a linear function always have an inverse?

What will be an ideal response?

Mathematics

Determine whether the graph of the set of data points is linear or nonlinear.(age, weight): (10, 85), (12, 96), (14, 109), (16, 124)

A. Linear B. Nonlinear

Mathematics

Factor the expression. Express your answer so that only positive exponents occur. (3m + 9)-2/5  + (3m + 9) 1/5  + (3m + 9) 7/5

A. (3m + 9)-2/5 [1 + (3m + 9)-3/5 + (3m + 9) -9/5] B. (3m + 9)-2/5 [1 + (3m + 9) 3/5 + (3m + 9) 9/5] C. (3m + 9)-2/5 [1 + (3m + 9) 3/5 - (3m + 9) 9/5] D. (3m + 9)-2/5 [1 + (3m + 9) 4/5 + (3m + 9) 7/5]

Mathematics