E e (c)
28 cm
28 cm
Find the area and the perimeter of the shaded region in each of the following figures given that all arcs are either quadrants or semicircles.

Determine whether triangle tjd is congruent to triangle sek  givent (-4,-2), j (0,5), d (1,-1), s (-1,3), e (3,10), k (4,4)and explain the reason.  select one: a. yes, by sssb. no, by aasc. no, by asad. yes, by sas

Aportion of a hiking trail slopes downward at about an 84° angle. to the nearest tenth of a flot, what is the value of x, the distance the hiker traveled along the path, if he has traveled a horizontal distance of 120 feet? a. 143.3 b. 12.5 c. 120.7 d. 130.2

Factor the polynomial, if possible. if the polynomial cannot be factored, write prime. 9n^3 + 27n^2 – 25n – 75