Please help me on solving these following questions! Thank you!

a. What is (-17)10 in 6-bit Radix Complement (RC) form? b. What is the minimum number of bits you need to represent (-143) 10 in RC? 2. Consider a 7-bit signed binary number (RC form), answer the following questions: a. What is the range of your 7-bit signed binary number? a. What is the most negative number you can represent? b. What is the most positive number you can represent? - 3. a. What is (11010) Rc in decimal? b. What is (0011011) Rc in decimal? c. What is (100000) Rc in decimal