Chemical equations must be properly balanced because chemical reactions follow the first law of thermodynamics. true or false?

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

4. find the geometric mean of 4 and 12. 24 8

Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.