Milanputs 1 4 ŽĨŚĞƌůĂǁŶͲŵŽǁŝŶŐŵŽŶĞLJŝŶƐĂǀŝŶŐƐĂŶĚƵ ƐĞƐ 1 2of the remaining money to pay back her sister. If she has $15 left, how much did she have at first?

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why?