3. a. Find two polynomials with the same degree that have a sum of 3x2 + 7x + 4.
b. Find two polynomials with different degrees that have a sum of
3x2 + 7x + 4.
C. Find two polynomials that have a sum of 4.
d. Find two polynomials that have a product of
x2 - 1.

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

Acredit union pays 5% annual interest, compounded daily, on savings deposits. find the value after one year of $500 deposited in this account. $525.64 $25.64 $20.40 $520.40

Given the diagram below, michael writes, "segment ac is congruent to segment ac." which of the following reasons allow him to write this statement?