Review the table showing the mass of a radioactive isotope over time. Which function best models this data?

y = 11.97(0.93)x

y = –0.42x + 10.75

y = 13.15 – 3.17 ln x

y = 0.01x2 – 0.72x + 11.82

Answer for 2: his profit would be $2.88 explanation: you have to first multiply 72 and 0.12 together to get $8.64 once you do that you know how much money the shopkeeper made from selling the candy bars individually. so you have to do 8.64-5.76=2.88 hope that ; )answer for 3: yeah i’m sorry i have no idea what number 3 is. i’m sorry i couldn’t with that.

The internet will you

The answer is, the streetlight is 18 inches tall.

8,400-6,400=xx/6,400anyways the percent increase is 31.25% or 0.3125 you can round if you can