I need help solving this math equation ASAP!

-1/2x -7= -11

Write the equation in logarithmic form e^x=403.429

Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?

Write the expression 7x^3-28xy^2 as the product of 3 factors