In the following activity, match each pair of equivalent expressions. 1 . (7 - 2x) + (3x - 11) 2(x - 2)

2 . -3x + 6 + 4x (x + 14) - (8 - 2x)

3 . -2x + 9 + 5x + 6 3(x + 5)

4 . 9x - 2(3x - 3) -4(x + 1) + 5x

5 . -7 + 6x - 4x + 3 (7 + 5x) + (-4x - 1)

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

Mama mia restaurant used 1 2 2 1 ? of their mozzarella cheese making pizza and the remaining 6 4 64 ounces making pasta. how many pounds of mozzarella cheese did mama mia start with?

State one method by which you can recognize a perfect square trinomial.