If x is a number such that 9^x - 4^x = 10 and 3^x -2^x = 2, compute 3^x + 2^x.

In which source of water would a wave travel the fastest? o ice o cold o room temperature o hot mark this and return save and exit next

Iam trying to solve a linear equation for the shoe size of someone 84" tall taking into consideration example 1 is 69" tall with a shoe size of 9 and example 2 is 72 inches tall with a shoe size of 11. i understand that the equation should be y=mx+b and that on the graph the answer is (3,2) but i just don't understand how to create the equation to solve for 84-inches and 60-inches tall questions. after two days, i need .

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?