How many times can 40 fit into 30

What is the solution to the equation e3x=12? round your answer to the nearest hundredth

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z

The function f(x)= -(x+5)(x+1) is down. what is the range of the function?