If 4 shirts cost $82, how much will 1 shirt cost?

What is the missing constant term in the perfect square that starts with x^2 -20x

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

Find the area of the unshaded square