Assessment Practice: Your teacher asks the class to evaluate the expression (2^3)^1. Your classmate gives an incorrect answer of 16. PART A: Evaluate the expression. (I already did that part. So please ignore it.) PART B: What was the likely error? A. Your classmate divided the exponents. B. Your classmate multiplied the exponents. C. Your classmate added the exponents. D. Your classmate subtracted the exponents.

One side of a rectangle is 7 feet shorter than seven times the other side. find the length of the shorter side if we also know that the perimeter of the rectangle is 306 feet.

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.

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