I really need help with 6 plz will mark brainliest and give 10 points show steps plz

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?

What is fraction that is equivalent to 3/8

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?