34. What is the [OH-) in a solution where (H+) = 2.9 x 10^-9? a. 8.54 b. 2.9 x 10-23 c. 2.9 x 10-9 d. 3.4 x 106 e, none of the above​

City a and city b had two different temperatures on a particular day. on that day, four times the temperature of city a was 8â° c more than 3 times the temperature of city b. the temperature of city a minus twice the temperature of city b was â’3â° c. what was the temperature of city a and city b on that day? city a was 5â° c, and city b was 4â° c. city a was 3â° c, and city b was â’1â° c. city a was 8â° c, and city b was â’3â° c. city a was 5â° c, and city b was â’5â° c.

If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution

One nanometer is equal to how many meters?