Which functions have a range of negative infinity <y> infinity

Brainliest ! which of the coordinates are not of th vertices of the feasible region for the system of inequalities y≤4,,x≤5,x+y> 6 a(2,4) b(0,6) c(5,4) d(5,1)

Olivia is using 160 quilt squares to make a red, yellow, and blue quilt if 25% of the quilt are red and 30% are yellow how many quilt squares are blue

Bc and bd are opposite rays. all of the following are true except a)a, b,c, d are collinear b)a, b,c, d are coplanar c)bc=bd d)b is between c and d