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This is common confusion for many Spanish students. Both verbs mean 'to be' in English, but have different uses in Spanish! Here's a very general go-to rule to help you remember which verb to use when: 'S...

The main difference between the two types of cell divisions is that the purpose of mitosis is for cell growth and the purpose for meiosis is for sexual differentiation/reproduction. Mitosis occurs in soma...

The Berlin Blockade, erected in 1948 as a response to the forming of Bizonia, was Stalin's attempt to keep Germany as a 'Buffer Zone' between Soviet Europe and the Capitalist territories. West Berlin, tha...

(In session I would begin by drawing a box-plot diagram and seeing if a student can also covert their data into a box-plot)There are 5 key points to a box-plot. You have the minimum value, lowest quartile...

If f(x)= 5 - x then f(2x)= 5 - 2x If g(x)= 3x + 7 then g(x-1)= 3(x-1) +7 = 3x - 3 + 7 = 3x +4
So f(2x) + g(x-1) = 5 - 2x + 3x + 4 = 9 + x