In the year 2002 the world population was estimated at 6 billion people based in research from the world bank about 20% lived on less then $1 per day how many people lived on less than $1 per day

What multiplys to be 1 but adds up to be 4

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!

Explain how to graph a scatterplot and its regression line using a regression calculator.