factorize: $5y^{2}$ -45
2x+y=5
2^3
find the mode of 31 29 33 37 43 38 33 and 40
factorize : $x^{2}$ -2hx+ $h^{2}$
a copper statue has a volume of 35cmsquared and a mass of 312.9g .
work out the density of the statue
1 + 1
-3x+6y=0
a type of brass is made by combining copper and zinc in a 6:4 ratio.if you want to make 2kg of brass, how many grams of copper do ...
$\frac{11y-2\}{3\}$ = $y^{2}$ +2