John has 3 fewer dimes than quarters. He has twice as many nickels as quarters. Altogether he has $6.45, how many of each coin does he have?

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

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?

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.