kyle was researching the stock market and found that in a 4 year time frame the annual percentage changes were -15.9%,22.3%,-5.6% and 25%. what is the average annual percentage change for the past 4 years?

Solve for x, y, and z. show all steps.

Find parametric equations for the line tangent to the curve of intersection of the surfaces at the given point. surfaces: xsquared2plus+2yplus+2zequals=1212 yequals=33 point: left parenthesis 1 comma 3 comma five halves right parenthesis

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