27. Two sisters are 7 years apart in age. The product of their ages is 260 years. What is the age of the older sister. a. 14 years
b. 21 years
C. 13 years
d. 20 years.

Dropping less than two inches per mile after emerging from the mountains, a river drains into the ocean. one day's discharge at its mouth, 5.6 trillion gallons, could supply all of country a's households for seven months. based on this statement, determine how much water an average household uses each month. assume that there are 100 million households in country a. country a uses approximately nothing gallons per household per month.

The sum of two numbers is 12 and their difference is 18 what are the two numbers

The only way to identify an intercept is as an ordered pair. true false