Match each binomial expression with the set of coefficients of the terms obtained by expanding the expression. (2x + y)3 (2x + 3y)4 (3x + 2y)3 (x + y)4

A25- foot ladder leans against a building and reaches a point of 23.5 feet above the ground .find the angle that the ladder makes with the building

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.  

What is the inverse of the function f(x) = 2x + 1?