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HINTS that can help can help me out Always read the question right and make sure you know what it is asking for. the tempature of moose jaw for the last week was is listed below: Find the average of the week monday:-11 -11 degrees celsius tuesday -4 7 degrees __**warmer**__ then monday wednesday -7 -3 degrees __**colder**__ then tuesday thursday 2 9 degrees __**warmer**__ the wednesday -11-4-7+2 -15-7+2 -22+2 -20/4 -5 Alays make sure that you have a negative sign when it needs to be there: (2/3) divide by (-2/8) should be (2/3)(-8/2) eqauls -8/3 or 2 2/3 Always finish cross cancaling when you can(5/9)(3/4)(24/25) cross cancle them to the end I have to rememder the exponets rules: always keep the base and add the exponents i have to remember that you keep the brackets and you just change the negative on the exponet and negative dont go down when you change it to a postive and when changing a fraction into a postive you have to put them to in brackets and you put it to the power of four substitution subsitution always when dividing the end with a fraction to divide correctly 1/2 x+1/4x+12 1/2(10)+1/4(10)+12 5+5/2+12    10/2 + 5/2 + 24/2 39/2      19 1/2