Quadrilateral abcd is inscribed in a circle. what is the measure of angle a?

Asilkworm winds its cocoon out of one long silk fiber. to make silk thread, 3 to 10 of these silk fibers are unwound from their cocoons and combined into aa single thread with a typical length of 300 yards. choose a reasonable number of silk fibers in a thread write an equation to find the total length of the silk fibersused in 300 yards of the thread

Find the balance at the end of 4 years if 1000 is deposited at the rate of

Solve the system of equations. y= 2x y= x^2 - 15