State whether the number is prime, composite, or neither. 55 prime neither composite

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet

If sin(x) = 0 and cos(x) = 1, what is tan(x)?