Lesson 3 Assignment 1. Evaluate the expression Math.sqrt{1+2+3+4) 2. Evaluate the expression. Math.exp(-Math.pow/Math.sin(1), 0.25)) 3. Write a lava expression to calculate the area of a triangle, given three sides a, b, c.(Heron's formula) 4. Write a lava expression for the mathematical formula. V2 5. The monthly payment cof a mortgage of n months with monthly interest rater for a principal p is given by the mathematical formula pr(1 + r)" (1+r)" - 1 Write a lava expression to calculate the monthly payment 6. Lets be a string of odd length. Write a Java expression to give a substring of s with the center character removed. For example, ifs is "Program", the expression should give Proram". 7. Lets be a string of length at least 2. Write a Java expression to give a string with the first and last characters of s swapped. For example, if sis "dog", the expression should give "god". 8. Let si and s2 be two strings of even lengths. Write a lava expression to combine the first half of si and the second half of s2, if si is "Computer and s2 is "Programmer", the expression should give "CompProgr". 9. A string variable fullName represents a full name such as "Doe, John". Write a Java expression to give a string of first initial and last name, c.8. ". Doe