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Without graphing the linear functions, find the coordinates of the point of intersection of their graphs: y=3x−11 and y=4

What is the simplified form of 7 √x • 7 √x • 7 √x • 7 √x?

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *