Sheila needed to buy 5.5 pounds of grapes for a luncheon. The grapes cost $3.29 per pound.
How much will it cost to purchase the grapes
(round to the nearest cent)?

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?