Find the angle between the given vectors to the nearest tenth of a degree u=<8 , 7 > , v=<9,7>

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have

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.