Students in a group dancing class are spaced evenly around a circle and they are counted off consecutively from the number 1. Student 20 is
directly opposite student 53. How many students are there in the group?

Each of the four sides of a swimming pool measures 9 meters. the pool is 5 meters deep. how much water will be needed to fill it completely? a. 45 cubic meters b. 81 cubic meters c. 225 cubic meters d. 405 cubic meters reset next

Find the value of x for which abcd must be a parallelogram -9-6x x-30

What is the y intercept of f(x)=(1/2)^x?