Multiply or divide, as indicated. Simplify the answer.

A. - 
B. - i
C.
D.  


Answer: D

Mathematics

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The temperature T of a potato t minutes after being placed in the oven is given by  

. ? A: Plot the graph of the graph of temperature versus time over the first hour of baking.B: Use the calculator to estimate the value of  after 15 minutes of baking. Round your answer to two decimal places.C: Use the calculator to estimate the value of  after 30 minutes of baking. Round your answer to two decimal places.D: Explain in practical terms what the answers from parts B and C tell you about how the potato bakes over time. What will be an ideal response?

Mathematics

Solve the equation.  = 

A. {2} B. {-16} C. {16} D. {-2}

Mathematics

Factor the trinomial.z2 - 2z - 80

A. (z + 8)(z - 10) B. (z - 80)(z + 1) C. (z - 8)(z + 10) D. (z - 8)(z - 10)

Mathematics

Perform the indicated operations.(2x4 - 7x3 + 8x2 + 5) + (2x4 - 6x3 + 6x2 + 6)

A. 5x18 + 11 B. 4x8 - 13x6 + 14x4 + 11 C. -1x4 - 1x3 + 8x2 - 5 D. 4x4 - 13x3 + 14x2 + 11

Mathematics