If the HCF of 210 and 55 is the expressible in the form of 210x+55y , find x and y
if A(-5,7);B(-4,-5);C(-1.-6);D(4,5) are the vertices of a quadrilateral,findthe area of quadrilateral ABCD.
If the length of the shadow of a pole is[tex] \sqrt{3} [/tex] times the height of the pole then calculate the angle of elevation of the sun.
Guys could you explain what does "fluency" mean in the marking scheme of story writing.?
check whether 6^n can end with digit 0?Justify your answer