4[3s – 2(6s – 8)]
the amount of extension in an elastic spring wires directly with the weight hung on it if a weight of 250 gram produces an extensi...
2x $a^{b}$ 3-7x $a^{b}$ 2-5x+4 divided by x-1
Y=7/root x cube
-3^2/3
4.5 as a faction
1 $\frac{\Box}{\Box}$ $\sqrt{\Box}$ 2 *1 $\frac{\Box}{\Box}$ $\sqrt{\Box}$ 2
4 1/3 -2 1/2
5. a) A boy walks 6km from a point P to Q on a bearing of 065°. He then walks to point R, a distance of 13km on a bearing of 146°....
