What is sin 7pie/4
the answer does not have pie in it
and it is not a decimal

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

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?

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i