Please help <3 Which of the following states were once British colonies?
I. India
II. Nigeria
III. Rwanda
IV. Senegal
(Answer choices)
I only
III only
I and II
I, II, and III
I, III, and IV

When using straight ladders, the base of the ladder should be away from the wall or other vertical surface for every of height to the point of support. a) one foot; four feet b) four feet; one foot c) four feet; eight feet d) two feet; six feet