An electronics store is having a 20%-off sale on all cell phones. The original price of a cell phone is x dollars. Which expression represents the sale price
of a cell phone?

What is the x-intercept and y-intercept of the equation 2x+1. 2o

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =

Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000