Acertain alloy contains 5.25% copper. how much is there in a piece weighing 200 pounds?

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

What is the difference between the predicted value and the actual value

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?