Asurvey is being planned to determine the mean amount of time corporation executives watch television. a pilot survey indicated that the mean time per week is 13 hours, with a standard deviation of 3.0 hours. it is desired to estimate the mean viewing time within one-quarter hour. the 95% level of confidence is to be used.

Demonstrate the proof of your new polynomial identity through an algebraic proof and a numerical proof in an engaging way! make it so the whole world wants to purchase your polynomial identity and can't imagine living without it! you must: label and display your new polynomial identity prove that it is true through an algebraic proof, identifying each step demonstrate that your polynomial identity works on numerical relationships create your own using the columns below. see what happens when different binomials or trinomials are combined. square one factor from column a and add it to one factor from column b to develop your own identity. column a column b (x − y) (x2 + 2xy + y2) (x + y) (x2 − 2xy + y2) (y + x) (ax + b) (y − x) (cy + d)

Can you simplify 4/7? 24 points will be awarded!

What is the lcm of 16 and 40 ? 24 and 40 ?