Why does a square have 2 pairs of parallel lines?

How many square feet are in a room that measures 9x7 and another room10x8 and another room 12x 15 and another room 6x4? What is the area of Pouzy-Mésangy? What would happen to the width of the confidence interval if the level of confidence is lowered from 95 percent to 90 percent? What is 25 percent of 66? How much Cu-61 would remain from a 2 mg sample after 9 hours? What is the product of 691 and 500? What is 276 over 1000 in simplest form? How can you determine whether the square root of a number is a rational number or an irrational number? The y-intercept is where a line crosses the y-axis? Does an equivalent have a denominator that is less than that of the original fraction? How do you write 9.9 as a mixed number in simplest form? What report shows the money a company owes the next 30 60 and 90 days? Need three equivalent fraction to decimal 0.40? How do you write 523000 in a decimal? What is 3.95 rounded to the nearest cent? How do you write one million four hundred plus five hundred seventy five dollars? What describes the molecular geometry of a molecule with four electron groups with only bonded pairs? What is describe the scale of the graphs mean? What do divide a number by to see if its prime? Does a prism have parallel bases?