If (6y − 11)(6y + 11) = ay2 − b, what is the value of a? the value of a is numerical answers expected! answer for blank 1:

At dinner, 2/5 of the people had fish and 1/3 had chicken. if everyone else had lamb, what fraction of the people had lamb? and if 40 people had lamb , calculate the total number of people at the dinner.

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angles. measure need asap

Identify the graph of y = ln x + 1.