Combine like terms to simplify the expression:

-5.55-8.55c+4.35c

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

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?

Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?