Maggie is standing in her front yard and
measures the length of the shadow she
casts, as well as the shadow, cast by her
house. Her shadow is 8 feet long and the
shadow of the house is 60 feet. long. If
Maggie is 5 feet 2 inches tall, how tall is
her house to the nearest foot?

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

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

Can someone tell me if this is perpendicular? !