marks 1 Identify the Step 1 Step 2 Step 3 7 3 Step 4 21 6 14 7 27 21 marks marks Step 5 error in Mani s proof that 275 3 3 7 3 7 2 1 6 7 2 1 6 Answer your 2 Consider the following arguments For each argument decide whether the argument is valid invalid Justify your reasoning a Everyone who drives at 90 km h is breaking the law Kailey is breaking the law So Kailey must be driving at 90 km h Answer b If Isabelle washes her mom s car she will be paid 5 00 per hour Isabelle washes her mom s car for 2 h so she gets paid 10 00 Answer