In the whole number 2,098,753,124 what is the place value of the digit 9

Kayla made observations about the sellin price of a new brand of coffee that sold in the three different sized bags she recorded those observations in the following table 6 is $2.10 8 is $2.80 and 16 is to $5.60 use the relationship to predict the cost of a 20oz bag of coffee.

Find the maximum value of p= 4x + 5y subject to the following constraints :

What is the point slope form of a line with slope -5 that contains point (2,-1)