A scuba diver is descending at an average rate of 39.8 feet per minute. What value represents the scuba diver's elevation relative to sea level after 2.9 minutes?

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Pl help I will give u

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).

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²