Find the greatest common divisor of the following polynomials over Q, the field of rational numbers. a. x^3- 6x + 7 and x 4.
b. x^2-1 and 2x^7- 4x^5 + 2.

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

The given diagram shows the parts of a right triangle with an altitude to the hypotenuse. using the two given  measures, find the other four.