Which expression is equivalent to 3+/- square 32x^8 y^10

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?

Which letters from the table represent like terms? a and b b and c a and d b and d

Aquality characteristic of new iphone x made at the amsterdam plant at apple computers has a manufacturing specification (in mm) of 0.200 +/- .07. historical data indicates that if the quality characteristic takes on values greater than 0.27 or smaller than 0.13 the component fails at a cost of20.19. based on these data: determine the taguchi loss function (must show work) calculate an estimated loss for a quality characteristic of .30 calculate an estimated loss for quality characteristic of .40.