Name The Year: Jerry Garcia SF, rocker (Grateful Dead), born.?

Questions

a typical double mattress contains as many as ---------- house dust mites?

according to one study, ---------- of lawns have some sort of lawn ornament?

all 50 ---------- are listed across the top of the lincoln memorial on the back of the $5 bill?

all hospitals in singapore use ---------- diapers?

aluminum is strong enough to support ---------- pounds per square inch?