Help please ;-; If it lets me I'll mark brainliest to the right answers, if it put all the pictures​

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 tree filled 3/4 of a cup in 1/2 and hour at what rate does syurup flow from the tree

What are the intercepts of x^2+y-9=0