Consider 7x4 - 3x3 - 8x+x-5. a. What are the variable terms? b. What are the constant terms? c. What are the coefficients of the first, second, third, and fourth terms? a.The variable terms are (Use integers or decimals for any numbers in the expression. Use a comma to separate answers as needed.) b.The constant term is (Type an integer or a decimal. Use a comma to separate answers as needed.) c. The coefficient of the first term is The coefficient of the second term is The coefficient of the third term is The coefficient of the fourth term is (Type integers or decimals.)