Suppose that y is directly proportional to x. Use the given information to find the constant of proportionality k. Then use y = kx to find y for the given value of x.y = 8.5 when x = 17;
Find y given x = 6.
A. k = 144.5; y = 
B. k = 1.5; y = 2.4
C. k = 0.5; y = 3
D. k = 0.5; y = 2.4
Answer: C
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Solve the problem.A picture 14 inches by 22 inches is to be mounted on a piece of matboard so that there is an even amount of mat all around the picture. How wide will the border be if the area of the border is 160 square inches?
A. 2 in. B. 4 in. C. 4.5 in. D. 3 in.
Provide an appropriate response. Find the product (2x - 3)3 by using the fact that (2x - 3)3 = (2x - 3)(2x - 3)2.
A. 8x3 - 12x2 - 24x - 27 B. 8x3 - 36x2 + 54x - 27 C. 8x3 - 27 D. 8x3 - 12x2 - 18x + 27
Provide an appropriate response.In right triangle ABC with right angle C, find the indicated part. Round to the nearest 0.1°. Find A if a = 10 m and c = 12 m.
Fill in the blank(s) with the appropriate word(s).
Determine the degree of each term of the polynomial.576n4 + 128n3 + 9000nm3 + 2000m3
A. 576n4: degree 0; 128n3: degree 0; 9000nm3: degree 3; 
B. 576n4: degree 4; 128n3: degree 3; 9000nm3: degree 1; 
C. 576n4: degree 576; 128n3: degree 128; 9000nm3: degree 9000; 
D. 576n4: degree 4; 128n3: degree 3; 9000nm3: degree 4; 