Charlie got 4 out of 7 right on a quiz. Rosa got 89% on her test. Francisco got 5 out of 8
right on his test. Beth got 87% on her quiz.
Who earned the highest grade?
(A) Charlie
(B) Rosa
(C) Francisco
(D) Beth

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).

In what form is the following linear equation written y=9x+2

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial