In triangle pqr, ps, qt, and ru are the medians , and ps and qt intersect at the point (4,5)
ru intersects ps at the point?



enter a, b, c, d or e in the box.

a. (-4, -5)

b. (4, 5)

c. (0, 0)

d. (0, 5)

e. (4, 4)

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).

Given abcd ac=38 and ae=3x+4 find the value of x

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?