Let X and Y be independent random variables with uniform distribution over the sets -3, -2, -1, 0, 1, 2, 3}. Prove too random {Z(t) = X sin(tt) + Y COS(nt), ER} | is too according to Ergolic and location.

Me. i can't figure out this question. give an explanation too. .

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? )

Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi