Amath tutor working with a small study group has classified students in the group by whether or not they scored 90 %90% or above on each of three tests. the results are shown in the venn diagram to the right. use the venn diagram to represent the set of students who scored 90 %90% or above on exam 11 and not on exam 33 in roster form.

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.

The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac

The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?