After rockwell farms installed an irrigation system, their yield per acre of corn rose 15% from 150 bushels per acre. what was their new yield?

The difference of 2 numbers is 21 and the quotient of the equation is 4 then what are the two numbers?

Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?

Select true or false to tell whether the following conditional p q is true or false. use the truth table if needed. if a week has seven days, then a year has twenty months.