Find the missing side lengths. Answers are in simplest radical form with the denominator rationalized. 1. a = 4, b = 2√2
2. a = 4√3, b = 2√2
3. a = 4, b = 4√2
4. a = 4√3, b = 4√2

Which number is irrational? a) 16 b) 18 c) 25 d) 36

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).

41/17 as a decimal rounded to the nearest hundredth