The measures of the exterior angles of a pentagon are 2xº, 52°, 6x°, 7xº, and 10x°. Solve for X.​

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 are “like terms”? why can we only add like terms?

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?