Dennis wants to buy a card for his wife dennis calculates the amount of the card has $4.50 the actual price of card is $4 what is dennis's percent error

Which equation represents a proportional relationship that has a constant of proportionality equal to 1/5

Ahigh definition tv cost $800 with a down payment of 2/5 of the cost. how much is left to pay, in dollars after the down payment has been made?

Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.