Find each product 5/6 × 10, 3/7 × 2/3, 5/8 × 2/3, 3 3/4 × 2 2/3, 2 5/6 × 1 7/8 answer all

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

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).

Which of the following is the result of expanding