Find the fifth term in the geometric sequence, given the first term and
the common ratio.
az = 2 and r = 3
A5 = [?]

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

Ariel is working at a meat packing plant for 5 nights a week. her regular wage is $11 an hour. she earns tine and a half for any overtime hours. this week she worked 9 hours of over time .how much will ariel earn for overtime this week ?

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)