Use identities to write the expression as a single function of x or ?.tan (30° + x)

A. -tan x
B.
C. tan x
D.


Answer: B

Mathematics

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Solve. = 

A. -7, 13 B. 6, 14 C. -7, 14 D. -1, 7 

Mathematics

Find the dimensions of a rectangle whose area is 187 cm2 and whose perimeter is 56 cm. ? Please enter your answer as two numbers without the units, separated by a comma.

What will be an ideal response?

Mathematics

Find the product.(-8x - 9)(-8x2 + x + 6)

A. -16x2 - 57x - 54 B. 64x3 - 57x - 54 C. 64x3 + 64x2 - 57x - 54 D. 64x3 + 80x2 - 57x - 54

Mathematics

Multiply the monomials.-4x3z6 ? x2yz7

A. -4x5z13 B. -3x5yz13 C. -4x6yz42 D. -4x5yz13

Mathematics