PLEASE HELP ASAP, WILL GIVE BRAINLIEST! Use the parallelogram to find each measure. (WILL GIVE BRAINLIEST)

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m< D = *Blank

Which expression is equivalent to (4 +6i)^2? ? -20 + 48i 8 + 12i 16 - 36i 20 + 48i

How many and of which kind of roots does the equation f(x)=x3−x2−x+1

Ahmed plans to add a rectangular sunroom to his house. the sunroom will have a length of 14 feet and a width of 10 feet, and the construction will cost $40 per square foot. how much more would the sunroom cost if it’s width were increased to 12 feet?