A person borrows $100,000 at a 4% simple interest rate for 1/2 year. How much simple interest I in dollars is owed on the loan at the end of 1/2 year? (Enter an exact number.)

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field

Acredit union pays 5% annual interest, compounded daily, on savings deposits. find the value after one year of $500 deposited in this account. $525.64 $25.64 $20.40 $520.40