The arithmetic mean (a) of two numbers (a and b) is given by the formula a=a+b/2, and their geometric mean (g) is given by g=√ab. their harmonic mean (h) is given by the formula g= √ah. which formula correctly gives h in terms of a and b?

On their way home from school. terri and evie started walking out for two blocks and then running for three blocks and then repeating that pattern. if they can walk a block in 2 minutes and run a block and 45 seconds how long will it take them to go 18 blocks?

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9