Hi luv pls help <3 A) the angles are alternate exterior angles
B) the angles are supplememtary angles
C) the angles are vertical angles
D) the angles are corresponding angles

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

Two consecutive negative integers have a product of 30. what are the integers?

Arace is 10 kilometers long. markers will be placed at the beginning and end of the race course and at each 500 meter mark. how many markers are needed to mark the course for the race?