Which types of dilation are the given scale factors? Select Expansion or Contraction to correctly describe the type of dilation for each given scale factor.

X+ y = 5 ; x - y =3 solve using linear combination

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did