If a circle is divided into 9 congruent sectors. what is the measure of each central angle

Find the image of a(4, -2) after it is reflected over the line y= 2, then reflected over the line x = 2. (-8,6) o (0.-2) o (0,6) (-8, -2)

Use the second shift theorem to find the inverse laplace transform of (e^−3s) / (s^2 + 2s − 3)

Given the equation    = 5, solve for x and identify if it is an extraneous solution