Chad bought twice as many paintings as veronica at the art show. pam bought 4 times as many as veronica. combined, they purchased 21 paintings. how many paintings did veronica buy?

Alake near the arctic circle is covered by a sheet of ice during the cold winter months. when spring arrives, the ice starts to melt. s(t) models the ice sheet's thickness (in meters) as a function of time tt (in weeks). s(t)=-0.25t+4

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

What is the measure of angle tvu shown in the diagram below