What is the surface area and volume of this figure?

What number produces an irrational number when multiplied by -1.25

Someone me! if you’re smart you can solve this!

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )