Stefan left home and traveled toward the lake. one hour later mei left traveling 15 mph faster in an effort to catch up to him. after two hours mei finally caught up. find stefan's average speed

An electronics manufacturer wants to know if customers would be interested in a detachable keyboard for their tables and if so, what the most important features would be. the manufacturer partners with an electronics store to include copies of the survey with every purchase at that store for one week. which of the following best explains why this random sample is unlikely to be a good representative sample of tablet owners' preferences for a detachable keyboard? a) one week is likely not enough time to get a large enough sample. b) most people won't bother to send in the survey, which is likely to skew the results c) there is no way to verify whether the responders to the survey actually own a tablet d) the survey is biased because it was conducted through an electronics store, not the general population

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t

The sum of 5consecutive even numbers is 100. what is the first number in this sequence?