The first six steps of the derivation of the Quadratic Formula are listed below. (1. ax2 + bx +c=0
2. x2 + x + =
3. x2 + x + = 0
4. x? + x=-
5. x2
6. (x + )2
+
492
52-400
=
402

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?