What will be the dimensions of this scale drawing?
A scale drawing of a playground that is 500 feet by 240 feet if 1 inch represents 20
feet.
Select the correct answer.
20 inches by 10 inches
25 inches by 12 inches
5 inches by 22 inches

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is . reset next

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