Help I’ll give extra points & brainlist

Factor the polynomial. b^2 + 4b + 4

Y= a(x-3)squared-1 what is the value of a

If a distance of 75 yds is measured back from the edge of the canyon and two angles are measured , find the distance across the canyon angle acb = 50° angle abc=100° a=75 yds what does c equal?