Which expressions can be factored using the difference of squares identity? 32y2 – 822
74 – 400
49.1
14
4a2 - 6485
672 – 81

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.

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.