Exercises 2.3 (a)-2 (a) vt - 2 1. Write C++ expressions for each of the following algebraic expressions: n(1+n) (b) x2-73x+C 2. Write C++ expressions for each of the following algebraic expressions. (x+y)(a-b) (b) t 3. Evaluate the following C++ expressions. (a) 4.0+3/2 (b) 4+3/2.0 (c) 45%8%2 (d) 15%4+1 4. Evaluate the following C++ expressions. (a) 4.0*3/2 (b) 4.0*(3/2) (c) 243/9%3 (d) 12+9%5/2 5 Evaluate the following expressions assuming float a=3.0, float b=2.0 and float c=-2.0. (a) a+b/c (b) 10.-c*c (C) (a+b)/b*c (d) 4.0*a/b-3,0*(c*c-1.0) (e) a-c/b+3 6. Repeat problem #5 with the assumption that the declaration of the variables a,b and c is as follows: int a = 3, b = 2, c = -2; 7. For each of the following program segment, write the output when it is executed as part of a complete program. (a) int a = 2, b = 3; (b) int k = 9, n; float x; float m = 2; X = a + b/a+1; n=k/m +0.7; cout