Nmdcnmnmd cnnm nc nsn znc ne nm nm n nm nm nm nc solve for the surface area

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?

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

Seattle, washington is known for being rainy. one day last month, 8 inches of rain fell in 1 1/2 hours. what us the rate of the rainfall expressed in ft per plzzz write a proportion i will give you 100 points