List the intercepts of the graph.Tell whether the graph is symmetric with respect to the x-axis, y-axis, origin, or none of these. 

A. intercept: (7, 0)
no symmetry
B. intercept: (0, 7)
no symmetry
C. intercept: (7, 0)
symmetric with respect to y-axis
D. intercept: (0, 7)
symmetric with respect to x-axis


Answer: B

Mathematics

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Solve the problem.Let u = 9i + j, v = i + j, and w = i - j. Find scalars a and b such that u = av + bw.

A. 9v + w B. 0.2000 v + 0.2500 w C. 9v - w D. 5.000 v + 4.000w

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Describe the situation with a linear inequality and then solve the inequality.When making a long distance call from a certain pay phone, the first three minutes of a call cost $1.25. After that, each additional minute or portion of a minute of that call costs $0.35. Use an inequality to find the number of minutes one can call long distance for $3.70.

A. at most 11 minutes B. at most 7 minutes C. at most 3 minutes D. at most 10 minutes

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Determine the number that can be used in place of the question mark to make the equation true.2? = 4

A. 1
B. -2
C.
D. 2

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If the lengths of three sides of a triangle are known, then the following formula, known as Hero's (or Heron's) formula is sometimes used:

?
??wherea,b, andcare the given lengths of the sides, and  . Use this formula to find the area of a triangle with the lengths given below (correct to the nearest square foot).
, and 
?
__________ ft2

Fill in the blank(s) with the appropriate word(s).

Mathematics