Find the H. C.F of the following. (a)2x,3y
(b)6a,5b
(c)30xy,35yz
(d)12a,30b,45ab²
(e)p²q, pq³,pq4
(f)7x²,21xy²,xy
(g)5x²,15y³,10xy²
(h)2x,3y,11z
(i)5a,6b,7c

Find the gradient of f(x, y,z)equals=left parenthesis x squared plus y squared plus z squared right parenthesis superscript negative 1 divided by 2 baseline plus ln left parenthesis x right parenthesis x2+y2+z2−1/2+ln(xyz) at the point left parenthesis negative 2 comma 1 comma negative 2 right parenthesis(−2,1,−2).

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles