Decide whether the given number is a solution to the equation preceding it.(x - 4)2 = 49; -11

A. Yes
B. No


Answer: B

Mathematics

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Obtain the Cartesian equation of the curve by eliminating the parameter.x = 5 tan ?, y = 4 cot ?

A. y =  cos x
B.  = 20
C. xy = 20
D. y =  sin x

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Find the angle between the given vectors to the nearest tenth of a degree.<-3, -8>, <6, -8>

A. 67.4° B. 28.7° C. 18.7° D. 57.4°

Mathematics

Write an algebraic expression for the quantities being compared.At Dave's Deli, the reuben sandwich cost $1.97 more than the turkey sandwich.

A. 1.97 - x = the cost of the turkey sandwich  x = the cost of the reuben sandwich B. x - 1.97 = the cost of the reuben sandwich  x = the cost of the turkey sandwich C. x + 1.97 = the cost of the reuben sandwich  x = the cost of the turkey sandwich D. 1.97 - x = the cost of the reuben sandwich  x = the cost of the turkey sandwich

Mathematics

Use the properties of limits to help decide whether the limit exists. If the limit exists, find its value. 

A. ? B. 1 C. Does not exist D. -?

Mathematics