Question 1

Video tutorials: 1(a) | 1(b)

Question 2

Video tutorials: 2(a) | 2(b) | 2(c) | 2(d)

Question 3

Video tutorial: Question 3

Question 4

Video tutorials: 4(a)(b) | 4(c) | 4(d) | 4(e)

Question 5

Video tutorials: 5(a) | 5(b) | 5(c) | 5(d)(e) | 5(f)

Question 6

Video tutorials: 6(a) | 6(b)(c)(d) | 6(e)

Question 7

Video tutorials: 7(a) | 7(b) | 7(c)