The ratio of the measure of an angle to its complement is 3:2. Find the measure of the smaller angle

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost

Ithink i know it but i want to be sure so can you me out ?