While mining, Jason found a large metal bar that weighed 24 ounces. Jason was also able to determine that the bar had 6 ounces of copper. What percent of the weight of the bar was copper? Round your answer to the nearest whole number if necessary.

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

Hi my sisters and brothers can tell me the answer because i don’t understand the question

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