Aboat is pulled by a winch on a dock 12 feet above the deck of the boat .when the winch is fully extended to 25 feet, what is the angle of elevation from the boat to the winch

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

Points d and e are midpoints of the sides of triangle abc. the perimeter of the triangle is 48 units. what is the value of t? ο ο ο ο 7t +

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