Evaluate the expression if x = 3, y = 4, and z = 7 x^2 + xyz *
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Acone with volume 1350 m³ is dilated by a scale factor of 1/3. what is the volume of the resulting cone? enter your answer in the box. m³

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years

With alll of except for the 2 that i did already