Write an equation for the nth term of the arithmetic sequence 44, 62,80,98

The sum of 5consecutive even numbers is 100. what is the first number in this sequence?

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?

Rewrite the expression in z to the n power. the expression i was given is: 1 over z to the negative 1 half power.