The arithmetic mean (a) of two numbers (a and b) is given by the formula , and their geometric mean (g) is given by . their harmonic mean (h) is given by the formula . which formula correctly gives h in terms of a and b?

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min if they did not stop driving, how many miles could kyle and elijah drive in a whole day? ? 1 day = 24 hours. plzzz i will give you 100 points