Hey! bit rusty on rounding, could use your help. Heres some questions: #1: Round each Number to the nearest 10, Then, Subtract. : 701-299 is about

#2: Round each Number to the nearest 10, Then, Subtract : 268-53 is about

#:3 Round each Number to the nearest 10, Then ADD : 515+250 is about

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

Type the correct answer in each box. spell all words correctly. a sequence of transformations maps ∆abc onto ∆a″b″c″. the type of transformation that maps ∆abc onto ∆a′b′c′ is a . when ∆a′b′c′ is reflected across the line x = -2 to form ∆a″b″c″, vertex of ∆a″b″c″ will have the same coordinates as b′.