Classify the variable according to the set of numbers that best describes its values. "The day d for which an appointment is scheduled"
a. irrational numbers
b. rational numbers
c. integers
d. natural numbers

Answer these questions showing your work plz

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side

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.