POLYNOMIAL FUNCTIONS Determine whether each identity is true or false.
1. a2−b2=(a+b)(a+b)
2. a2−2ab+b2=(a+b)(a−b)
3. a2+2ab+b2=(a+b)(a+b)
4. a3−b3=(a−b)(a2+ab+b)

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

Use circumcenter theorem to solve for the given values

Plz answer asap! i will reward brainliest and 12 points for these three questions!take notice: these three questions are completely different! 1) what is the percentage of sugar in the syrup made of 10 kg of water and 4 kg of suugar? 2) what was the original price if after 10% discount it became $450? 3) at first a price was decreased by 12%, then it was disounted again by an additional 5%. what is the percent of the total discount? , and remeber i will award brainliest and 12 points!