please need answers will rate well!

2. [20] Using the following grammar Expr- Term + Expr | Term - Expr | Term Terin Term* Factor Term / Factor \ Factor Factor A | B | C a. Draw a parse tree for each of the following expressions: i. A B C iii. A B+ C b. What is the precedence of the operators+, and? What is the associativity of the operators + and -? c. Show a leftmost derivation of the expression A + B C 3. (20] Now, using the following slightly different grammar below ExprExpr Term] Expr - Term | Term Term Term* Factor | Term/ Factor | Factor FactorAIBIC a. Draw a parse tree for each of the expressions in Problem 3a. b. What is the precedence of the operators +,,and What is the associativity of the operators + and -? eShow a rightmost derivation of the expression A + B* C