- If p, q and r are the zeros of a cubic polymial ax^3+cx+d , then p(1+qr)+q+r is equal to what?

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A scale drawing of a rectangular room has dimensions 72 feet by 40 feet. The scale to be used is 1 in : 8 ft. What will be the perimeter? The length and width of a rectangular patio are, (x + 8) ft & (x + 6) ft,area of patio is 160 square ft what are the dimensions of the patio? Is he glass a structure? When there is a blizzard, is it smart to be walking around outside? How about waiting for a bus? How many radians does the minute hand of a clock rotate through in 15 minutes?