Which of the following is true about the base b of a logarithmic function

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

What is the value of x? enter your answer in the box.

Apack of gum would be considered a(n) necessity luxury item small ticket item unaccountable expense