Which of these strategies would eliminate a variable in the system of equations?
x−2y=11
5x+3y=−11
choose all that apply

a multiply the top equation by 5, then add the equations.
b multiply the top equation by -5 then add the equations.
c add the equations.

Match the events to the impact they had on africa during the late 19th century 1.colonization of the congo 2.berlin conference of 1884 3.berlin act of 1885 settled tutorial disputes between european nations prohibited the slave trade in africa marks the beginning of scramble for africa

How do you think germans felt in the postwar years? check any boxes that you agree with they may have been angry about paying high taxes and high prices they may have blamed the allied nations for their money troubles they may have wished that germany had a strong leader to stand up for them they may have resented people who had a lot of money done

Which was the cause of the rise of the persian empire?