Solve these equations |x+1/2|= 3 |x-3|=5 6/7 |3x+7|=5

Evaluate the following expression 1/3^2

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.

25 ! i need asap! ! ill mark brainliest!