tutorial.4.01 [Read-Only) (Compatibility Mode]-Word what you want to do.. Emphasis 1 Heading 1 1 Heading 2 Heading 3 Normal Strong 1 No Spac..Tiele Subtidle Subtle Em. Intense E.. Styfes Exercise 6 Suppose the following definitions are in effect int a 10 int b 20; double u - 55.5; double v- 22.2 Indicate which of the following definitions are vaslid If the definition is invalid, say why. If the definatioa i valid specify the value. (a) inti-b+u (b) doublex-b+u (c) intj-b/2; (d) double y-ab (e) float y-a+b (0 float p- (oat)e /2, Exercise 7 Write Java expressions that are equivalent to the following Mathematics formulae (a) 3a + 7/4a-2 (4)