Tiffany bought a paor of shoes at macy's for $50.98 amanda bought thr same pair of shoes at payless for $35.42 how much did amanda save on her shoes by purchasing them at payless?

Which expression is the factorization of x^2+10+21

Which rule describes the composition of transformations that maps △abc to △a”b”c

Margie is practicing for an upcoming tennis tournament. her first serve is good 20 out of 30 times on average. margie wants to know the estimated probability that her first serve will be good at least four of the next six times she serves. how could she design a simulation for this scenario?