Find the quotient. Write the answer in standard form.

A. -  - i
B.  - i
C.  - i
D. -  - i


Answer: B

Mathematics

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At the given point, find the line that is normal to the curve at the given point.4x2y - ? cos y = 5?, normal at (1, ?)

A. y = x -  + ?
B. y = x -  + ?
C. y = - x +  + ?
D. y = -2?x + 3?

Mathematics

Solve.Hye-Ran, who is 1.90 m tall, wishes to find the height of a tree with a shadow 32.99 m long. She walks 23.02 m from the base of the tree along the shadow of the tree until her head is in a position where the tip of her shadow exactly overlaps the end of the tree top's shadow. How tall is the tree? Round to the nearest hundredth.

A. 6.29 m B. 1.90 m C. 3.23 m D. 2.72 m

Mathematics

Match the function with its graph.1) f(t) = 2 sin (t)2) f(t) = 4 cos (t)3) f(t) = -4 sin (t)4) f(t) = -2 cos (t)A)B)?C)D)?

A. 1D, 2B, 3C, 4A B. 1A, 2C, 3B, 4D C. 1C, 2A, 3B, 4D D. 1C, 2A, 3D, 4B

Mathematics

Simplify the expression.(3p3s2)4(s2)

A. 81p12s10 B. 81p7s16 C. 3p12s10 D. 81p7s8

Mathematics