Your mom is repainting your younger brother’s room. She is going to project the image shown below onto his wall so that she can paint an enlarged version as a mural. Determine how long the mural will be if the projector uses a scale where 1 inch of the image represents 2.5 feet on the wall.

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

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