The low temperatures in two cities are being compared. in city 1, the range and temperature is 20°f and the iqr is 7°f. in city 2, the range in temperature is 15°f and the iqr is 7°f. what might you conclude about the series based on the ranges and interquartile ranges.

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?

How do i do this? i don’t understand

Is the square root of 4 plus the square root of 16 rational?