Anyone who can honestly work this out correctly

If angle 2=3x +1 and angle 3=2x +4what is angle 2

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

In a timed typing test lara typed 63 words per minute.estimate the number of words she should be able to type in half in hour show your work