mary had $20 to spend on seven cupcakes. after buying them she had $6. how much did each cupcake cost?

H(x)=4x2-5x h(-3) what is the answer?

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars

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?