One year ago, Nolan could run a mile in m minutes. Since then, his time has decreased by 9%. Write two different expressions that represent the number of
minutes it now takes Nolan to run a mile and show or explain why the expressions
are equivalent.
PLS HURRY!!

Use the normal approximation to the binomial distribution to answer this question. fifteen percent of all students at a large university are absent on mondays. if a random sample of 12 names is called on a monday, what is the probability that four students are absent?

If rt is greater than ba, which statement must be true ?

Pls never taught i’m really confused and i rlly need