A positive integer is twice another. The difference of the reciprocals of the two positive integers is 1/18. Find the two integers

Select the lengths in centimeters that would form a right triangle

What is the value of x in the this question ?

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? )