If the cirumference of a circle is approximately 75.36 meters what is the are

What is the product? a-3/15a × 5/a-3

Which function in vertex form is equivalent to f(x) = x2 + 6x + 3? f(x) = (x + 3)2 + 3 f(x) = (x + 3)2 − 6 f(x) = (x + 6)2 + 3 f(x) = (x + 6)2 − 6

Manuela solved the equation below. what is the solution to manuela’s equation?