Pls answer my question I need it

Although changes result from business transactions, the equality of the fundamental bookkeeping equation must remain. t/f

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

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).