Solve the system of equations 2x-y=1; x+2y=8 graphically and find the coordinates of the points where corresponding lines intersect y-axis.
If the radius of a sphere becomes $3$ times, then its volume will $become:$ $\left(a\right)$ $3$ times $\left(b\right)$ $6$ times (c) $9$ times $\left(\right)$ $27$ times.
Qanda teacher - RAJKUMAR
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