Choose the correct answer for the following:

1) What is the equation of a line through (-1, 4) and (-2, 7)?

Select one:

a.y = 3x + 1

b.y = -3x + 1

c.y = -3x + 7

d.y = 3x + 7

e.None of these

2) The half-life of carbon 14 is 5,730 years.Approximately, how old is a bone that has 70% of its original carbon 14?

Select one:

a.7,500 years

b.7,000 years

c.6,500 years

d.6,000 years

e.Less than 6,000 years

Workings are not required, just the correct answer is important.