Evaluate the variable expression when a = -2, b = 5, C = -5, and d = 1.
4b + {(ac +
bd)

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.

For each sentence below, find the value of x that makes each sentence true. (515) 5 = 25* x= (813)2 = 4* x=

3c2 + 2d)(–5c2 + d) select all of the partial products for the multiplication problem above.