Choose the equation that matches this proportional relationship. The variable x represents length in meters and the variable y represents length in centimeters. The chooses are x=0.01 x=0.1 x=y x=100y X=1y X=1000y

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

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? *

I’m still confused on how to work the percentages