I'm so tired. Please help my sleep deprived brain with this! ​

One integer is 8 times another. if the product is 72, then find the integers

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?

What is the point slope form of a line with slope -5 that contains point (2,-1)