Which table represent the statement "A computer repairman makes $25 per hour"?

For how answer my question this will be the last question can you answer in math subject

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.