Sarah has 11 math problems and nineteen spelling problems. if she can finish 6 of them in a hour. how long will it take her to finish all problems?

36 inches/second = yards/minute how many yards?

Which of these is and example of a literal equation? a) 6+30=6^2 b)3x-4y c)12=9+3x d)ax-by=k

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?