Graph the polar equation r = 8 cos?


Mathematics

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Evaluate the expression without the use of a calculator, and then verify your answer using a calculator.ln e

A. e B. 1 C. -1 D. 0

Mathematics

Solve.It takes  lb of flour to make a cake. How much flour is needed to make 4 cakes? 

A.  lb
B.  lb
C.   lb
D.  lb

Mathematics

Determine the real solutions to the system of nonlinear equations.x2 + y2 = 65(x - 7)2 + y2 = 16

A. (7, 4), (7, -4), (-7, 4), (-7, -4) B. (7, 4), (7, -4) C. (4, 7), (4, -7) D. (4, 7), (4, -7), (-4, 7), (-4, -7)

Mathematics

Let s be a real number corresponding to the point (a, b) on the unit circle. Use this information to determine the sine and cosine of the real number.s + 6?

A. sin (s + 6?) = -a, cos (s + 6?) = -b B. sin (s + 6?) = b, cos (s + 6?) = a C. sin (s + 6?) = a, cos (s + 6?) = b D. sin (s + 6?) = b, cos (s + 6?) = -a

Mathematics