2. Timothy deposited $2,140.30 in a savings account that earns 3.5% simple interest. What will Timothy's account balance be in 9 months? (2 points)
$2,215.21
$2,140.30
$2,196.48
$2,814.49

2196.48

Step-by-step explanation:

3.5% is an APR (annual percentage rate).  that means your deposit increases by 3.5% every 12 months.  9 months is 3/4 of 12 months or 75%.  3.5% of 2140.30 is 74.91.  74.91 x 3/4 is 56.18.  56.18 is 9 months interest.  56.18 + 2140.30 = 2196.48

$32,660

step-by-step explanation:

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,