Simplify the fractions-a) 98/21b) 525/84

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).

What is the solution to the equation e3x=12? round your answer to the nearest hundredth

If a line is defined by the equation y = 5x + 2, what is the slope?