Write the sentence as an equation.The difference of -54 and 21 is -75.

A. -54 - 21 = -75
B. -54 - 21 = 75
C. 54 - 21 = 75
D. 54 + 21 = 75


Answer: A

Mathematics

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?Which of the following is not true about similar polygons?

A.

?There is a constant of proportionality between each side of Polygon A and each side of Polygon B.


B.

?All interior angles add up to 180(n - 2), where n = number of sides of polygon.


C.

?All interior angles of Polygon A and congruent to all interior angles of Polygon B.


D.

?The constant of proportionality can be found by dividing just one side of Polygon A by the corresponding side of Polygon B.


E.

?All quotients of corresponding sides in the form:  are equal.


Mathematics

Find the remaining zeros of f(x) given that c is a zero. Then rewrite f(x) in completely factored form.f(x) = x3 + 2x2 - 5x - 6; c = 2 is a zero

A. -1; f(x) = (x + 1)(x2 + x - 6) B. -3, -1; f(x) = (x + 3)(x + 1)(x - 2) C. -2, 1, 3; f(x) = (x + 2)(x - 1)(x - 3) D. -3; f(x) = (x + 3)(x2 - x - 2)

Mathematics

Factor completely. If the polynomial cannot be factored, say it is prime.8x2 - 8x - 48

A. 8(x - 2)(x + 3) B. 8(x + 2)(x - 3) C. (8x + 16)(x - 3) D. prime

Mathematics

Perform the indicated operation, where possible. + 

A.
B.
C.
D.  

Mathematics