The perimeter of the figure below is 146.7 cm. Find the length of the missing side. 5.7 cm
12.5 cm
12.5 cm
12.5 cm
18.2 cm
12 cm
24.5 cm
30.7 cm
12.5 cm
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The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables

Multiply and simplify. 2x2y3z2 · 4xy4x2 how to do?