This isosceles triangle has two sides of equal length, a, that longer the length of the base, b,the permiter of the triangle is 15.7 centimeters. the equation 2a+b=15.7 models this information. If one of the longer sides of 6.3 centimeters, which equation can be used to find the length of the base

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Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.

Consider the input and output values for f(x) = 2x - 3 and g(x) = 2x + 7. what is a reasonable explanation for different rules with different input values producing the same sequence?