Elvis Presley is an extremely popular singer. Although he passed away in 1977, many of his fans continue to pay tribute by dressing like Elvis and singing his songs.
The number of Elvis impersonators, N(t), for t number of years, can be modelled by the
function
N(t) = 170(1.31)^t
1. Write down the number of Elvis impersonators in 1977.
2. What is the percent rate of increase.
3. Calculate the number of Elvis impersonators when t=70; is this a reasonable prediction? Why or why not?

After two years, how much has been paid into interest?

If 24 people have the flu out of 360 people, how many would have the flu out of 900. choose many ways you could use proportion that david would use to solve this problem

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