What is the sales tax of 5% on a purchase of $7.82?

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square

How do you write a paragraph proof to prove that the corresponding angles shown are congruent

What are the measures of angles a, b, and c? show your work and explain your answers. 25 points