Garcia will run 2.5 miles at a speed of 6 miles/hour from his house to Juan's 1 house. He plans to hang out for 45 min before walking home at a speed of
4 miles/hour. How long will he be gone from home? *
A. 1.80 hours
B. 3 hours
C. 2.50 hours
D. 0.75 hour

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

Consider the function y = f(x)=3^x the values of f(1/2) and f(1/4). rounded to the nearest hundredth, are__and__ respectively