The diameter of a circle is 4 units.
What is the radius of the circle?

Iwill give you ! what is the measure of ∠v ?

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.

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