A quantity with an initial value of 1500 grows exponentially at a rate of 45% every 7 days. What is the value of the quantity after 9 weeks, to the nearest hundredth? I found the 42501.4

Me what is the value of x? showing work would be appreciated - ! : )

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

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?