Which expressions have a value of StartFraction 16 Over 81 EndFraction? Check all that apply.
(Two-thirds) Superscript 4
(StartFraction 16 Over 3 EndFraction) Superscript 4
(StartFraction 4 Over 81 EndFraction) squared
(StartFraction 4 Over 9 EndFraction) squared
(StartFraction 1 Over 81 EndFraction) Superscript 16

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered

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