How many groups of 1/2 pounds are their in 2 3/4 pounds

Find the power series expantion of f(z)=log(4=3z) at the point z=-1

Ihave a 69 and an 82. the 69 is worth 40% of my grade and the 82 is worth 15%. can someone tell me my current average grade.

The number of electoral votes each state is assigned is determined by the size of its population every ten years. the chart shows the number of electoral votes california was assigned each decade of the past century. what is the 3rd quartile of the data?