Bananas are .59/lb pound. what is the constant of proportionality or k?

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the plzzz write a proportion i will give you 100 points

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x

Charlie tosses five coins.what is the probability that all five coins will land tails up.