Given cos A = - V120/13 and that angle A is in Quadrant II, find the exact value of tan A in simplest radical form using a rational denominator.

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

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55