Write an explicit formula for a_na n , the n^{\text{th}}n th term of the sequence 1, -9, -19, ...1,−9,−19,

Graph the equation. select integers for x

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be bale to prepare using the sauce?

I’m still confused on how to work the percentages