hello! can you help me to solve these? and can you please provide a detailed solution or explanation where a slow learner can understand? thank you!

- ProblemSolving with Resistance Part | In a clear short bond paper write your solution on the given problems. 1. What is the resistivity of a material with a resistance of 10 2, length of 10m, and cross sectional area of 1x10'5m2? 2. An electrical engineer wants to have a copper wire with resistance equal to 5S2. If the wire initially has a radius of 1 mm, how long should the engineer cut the wire? 3. What is the resistance of a 50m long silver wire with a radius of 0.5 mm? 4. A gold rod has a diameter of 20mm and a length of 1 m. Calculate its resistance. 5. A toaster has a heating element made of brass with a length of 2ml an operating temperature of 220 C, and a resistance of 209. What is the cross sectional area if its operating resistivity is 1.112 x 10'SQ-m