Directions: Write an integer for each situation.
1. 12 miles below sea level
2. 8 mph above the speed limit
3.2 feet taller
4. a $125 withdrawal
5. a coupon for $20 off
6.3 degrees above normal
Need help pls

Which shows one way to determine the factors of  x3  +  5x2  –  6x  –  30 by grouping? x(x2  –  5)  +  6(x2  –  5)x(x2  +  5)  –  6(x2  +  5)x2(x  –  5)  +  6(x  –  5)x2(x  +  5)  –  6(x  +  5)

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

Ill mark the brainliest if you me with the these three questions 7,8,9