Evaluate the expression using the given value of the variables. for x = 8, y = 4

A.
B.  
C.  
D.  


Answer: B

Mathematics

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Sketch the graph of a function y = f(x) that satisfies the given conditions.f(0) = 0, f(1) = 3, f(-1) = -3, f(x) = -2, f(x) = 2.

What will be an ideal response?

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Multiply.(5x2)(7x5)

A. 35x7 B. 12x7 C. 35x10 D. 12x10

Mathematics

Solve the problem.How many ounces of a 20% saline solution must be added to 30 ounces of a 5% saline solution to make a 10% saline solution?

A. 1 oz B. 50 oz C. 3 oz D. 15 oz

Mathematics

Solve.A box is constructed by cutting out square corners of a rectangular piece of cardboard and folding up the sides. If the cutout corners have sides with length x, then the volume of the box is given by the polynomial  Factor out the greatest common factor for this expression.

A. 4x(x2 - 18x + 45) B. 4(x3 - 18x2 + 45x) C. 4x(x2 + 18x + 45) D. 2x(2x2 - 36x + 90)

Mathematics