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Write out the question fully like so: =(x-7)(x-7) 2. Expand the brackets using the FOIL method. i.e First Outer Inner Last or the Crab Claw Method You should get: = x^2 - 7x - 7x + 49 Be careful with signs, ...

170 divided by 11 is the weight of one carrot (15.45), so mulitply that by 20 (309.09) would be the weight of 20 carrots.

First of all, it is important to note that changing the pressure will only affect the gas molecules in the reaction. Taking a simple equilibrium equation such as: 2SO 2 (g) + O 2 (g) <===> 2SO 3 (g) Fr...

This is often confusing because in everyday life people might say "how much do you weigh?" to which you might say "60kg", 60 kg is actually your mass and when we talk about weight in this...

La mia famiglia è composta da cinque persone: me, mia madre, mio padre e i miei due fratelli gemelli. Mia madre ha quaranta anni, lavora in banca, alla BNL; mio padre, quarantadue anni, fa l'nsegnante e i mi...