3. Find each measure of a sector defined by a 51 in. long arc on a circle whose radius is 9 in. a. the measure of the central angle ain b. the perimeter of the sector​

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Use the expression below.–4b + 8c + 12 – 8b – 2c + 6part asimplify the expression. enter your answers in the boxes. b + c + part bfactor the simplified expression using the gcf. a. 2(–2b + c + 3) b. 3(–2b + c + 3) c. 4(–2b + c + 3) d. 6(–2b + c + 3)part cwhat is the value of the expression when b = 2 and c = –3? enter your answer in the box.

Aconstruction worker has rope 9 m long he needs to cut it in pieces that are each 3 /5 m long how many such pieces can he cut without having any rope leftover?