The list below shows some events which took place at different periods in the geologic time scale.

1. sharks appear.
2. insects appear.
3. fishes with jaws appear.

which of these best orders the events from the earliest to the most recent?

3, 1, 2

3, 2, 1

1, 2, 3

1, 3, 2

What number should be added to both sides of the equation to complete this square? x^2-10x=7

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.