What is the circumference?
(radius = 4)

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 is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)

Add. express your answer in simplest form. 12 9/10+2 2/3 = i need u guys to me find the answer to this question