Lucy sold 4x + 7 tins of cookies for a band fundraiser. if the tins
cost the band x - 3 dollars, how much money did the band raise?

Ammonia molecules have three hydrogen atoms and one nitrogen atom. how many of each atom arein five molecules of ammonia

The expression 1.01*1.005(^t) gives the amount of money, in thousands of dollars, in carter's savings account (t) years after he opens it. what does 1.01 represent in this expression?

There are 85 apples on the big tree, john picked out 15%. how many did john pick out?