Find the value of x and show your working out FULLY: 2 (x + 7) = 29
4 (x + 3) = 30
5 (x - 4) = 20
3x - 10 = 23
4x - 7 = 19
2x - 9 = 5
7x - 8 = 13
2x + 10 = 21

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.

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account