Use the given information to find the exact value of the expression.sin ? = , ? lies in quadrant IFind cos 2?.

A.
B. - 
C. - 
D.


Answer: C

Mathematics

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Solve the problem.Find a formula for the distance from the point P(x, y, z) to the yz plane.

A.
B. y
C. x
D. z

Mathematics

Solve.A parking area that is to be resurfaced is shaped like a trapezoid. The bases are 100 feet and 110 feet, and the height is 30 feet. What is the cost if the price of the resurfacing is $1.10 per square foot?

A. $3465.00 B. $6930.00 C. $12,100.00 D. $3150.00

Mathematics

At what point on the curve x = t³, y = 9t, z = is the normal plane parallel to the plane 3x+9y-4z=4?

What will be an ideal response?

Mathematics

Find the slope of the line described.A line parallel to -5x + 5y = -1

A. 1
B.
C. - 1
D.

Mathematics