At the end of each quarter, $3,500 is placed in an annuity that earns 8% compounded quarterly. Find the interest earned in 7 years. $129,679.24
$32,272.81
$31,679.24
$31,675.24

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18