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what is the area of a rectangular yard if two of the sides have lengths of 30 yards and 22 yards? a) 60 yards2 b) 52 yards2 c) 104 yards2 d) 660 yards2

Arectangle has an area of 54 square feet. if the length is 3 feet more than the width, find the dimensions of the rectangle.

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

What is the area of the triangle 10 13 12