Will mark Brainliest!

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?