Multiply.

(21) ⋅ (-7)

-147

-14

14

147

What are the coordinates of D when quadrilateral is reflected across the line y = x

How do you solve 12x = 144

On my key-board what key will I use to type (x to the fourth power?) and also what keys do I use to set up a fraction?

Caroline measured the weight of a dog that came into the veterinary clinic. She determined that her measurement had a margin of error of 0.05 kilogram. Which of the following could be the measured weight of the dog? A. 27.939 kilograms B. 27.

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Multiply the following (4 - 2x) 2

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Multiply the complex numbers. (5+1i) (-3+2i)