1-28.
Suppose you found that the correlation between the life expectancy of citizens in a nation and the average number of TVs in households in that nation is r=0.89. Does
that mean that watching TV helps you live longer?

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

What is the y intercept of f(x)=(1/2)^x?

Can someone pls ! pls answer all. no explanation needed..