The newest iPhone costs $1200 and loses 15% of its value every year. a.) Write an equation to model the value of the phone after x years.

Kathleen's gross annual salary is $56,820. what is the maximum amount of rent she can afford to pay? round your answer to the nearest dollar. question 1 options: $1146 $1326 $1656 $2368

Ibeg you to me 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?

Select all of the following expressions that are equal to 2.5.