8,10,18,19
21,25,40,32,33,37,38
43,44,47, plz let me know fast plz plz
A point p on a parabola y=4x, the foot from the perpendicular from it upon the directrix, and the focus of the parabola are the vertices of an equilateral triangle. If the area of the unilateral triangle is New. units. Then the value of N/8 is equal to
A cubical block of side 7 cm is surmounted by a sphere. Find the surface area of block.