Find the ratio of the lengths of corresponding sides for the similar triangles below. Express the ratio with the lengths from the smaller triangle in the numerator. The triangles are not drawn to scale.


Mathematics

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Find the vertices of the ellipse.36(x + 3)2 + 25(y - 1)2 = 900

A. (3, 7), (3, -5)
B. (-3, 1 - ), (-3, 1 + )
C. (-2, 7), (-2, -5)
D. (-3, 7), (-3, -5)

Mathematics

Factor completely.16x2 + 40xy + 25y2

A. (4x + 5y)(4x - 5y) B. (4x + 5y)2 C. (4x - 5y)2 D. (16x + 1)(x + 25)

Mathematics

Find the selling price per item to the nearest cent.Total cost: $1912Quantity: 120 Unsaleable: 5%% Markup on selling price: 49%

A. $9.17 B. $624.84 C. $32.89 D. $31.24

Mathematics

Provide an appropriate response.Suppose that you are solving a system of three linear equations and three variables by the Gaussian elimination method and you obtain the augmented matrix.  What row operation would you perform next?

A. Add row 1 to row 2.
B. Multiply row 1 by .
C. Add 14 times row 1 to 6 times row 3 to obtain a zero in the third row, second column position.
D. Multiply row 2 by .

Mathematics