The scale on a map of texas shows that 1 inch represents 20 miles. the actual distance from austin to dallas is 195 miles. on the map, how many inches apart are the two cities?

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

What is the absolute value of the complex number -4-sqrt2i

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?