Aspinner is divided into many sections of equal size. some sections are red, some are blue, and the remaining are green. the probability of the arrow landing on a section colored red is 9 over 20. the probability of the arrow landing on a section colored blue is 6 over 20. what is the probability of the arrow landing on a green-colored section?
15 over 20
11 over 20
6 over 20
5 over 20

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

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