Please help me by completing the system of equations here there is equation 1:
-10y+9x=-9
and equation 2:
10y+5x=-5
needed ASAP

Convert 2000 swiss francs to dutch guilders

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?

Daniel expanded the expression as shown below -2(-8x-4y+3/4)=-10x-8y-11/4 what errors did he make? check all that apply