Some species of hummingbirds appear to hover in mid-air by flapping their tiny wings 85 times per second. how many times do their wings flap in one minute?

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min

Which unit rate is the lowest price per ounce? (5 points) choice a: 6 ounces of chocolate chips for $2.49 choice b: 8 ounces of chocolate chips for $3.32