GIVEAWAY=1+8+9+8+7+6+56+4+238328992 823898239= all answers accepted

Can anyone me get through my algebra 2 class? the only class i need to graduate..

There are a total sales of 2,000 dollars on monday on tuesday sales dropped 10% on wednesday sales dropped another 20% compared with tuesday from wednesday to thursday sales increases by an equal amount to 25% of monday total sales what is the net change in dollars on total sales from monday to tuesday

The measure of angle theta is 3 pi over 2. the measure of its reference angle is pi /