write three declaration statements (with /without values) that will the same effects as the following state initial have int numl: double dnuml: char grade; double dnum2 num2 30. dnumi -45.25; 2. Assuming that v chl. ch2. ch, and num are defined as follows: (3 pts) char chI P", ch2, ch3; Specify the effect(s of the execution of each of the following statements: a, ch 2 ch +I b- ch3 chl -2; num 'E' 'A': 3. Show the trace (on the right of the execution of the following statements: (6 pts) 1) int numl -10, num2, num3 -4; 2) num2 "num num3; 3) num numl 5 4) num3 "num3 2; 5) num2 numi num3 num2 num3 4. Assuming that previously defined and that the statements are executed in the given order, show the all variab produced by the following statements: cout endl "Good job"; num 6; num 4 sum cout endl "num num sum sum num 7: sum num t 8; cout endl "num num sum sum