Kong took %15, percent fewer seconds than nolan took to complete his multiplication timed test. kong took 85 seconds. how many seconds did nolan take?

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

Suppose a gym membership has an initial enrollment fee of $75 and then a fee of $29 a month. which equation models the cost, c, of the gym membership for m months?

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.