Your total cost C to have a TV repairperson from Mr. Fixit TV come to your house to fix your TV is a $175 plus an additional $60.00 for each hour h that they are at your house. Your total cost C to have a TV repairperson from I KNOW VS come to your house to fix your TV is a $100 plus an additional $75.00 for each hour h that they are at your house. a) Write an equation that represents the cost after t hours for each company

b) How long does it take to the costs to be equal for each company?

c) Which company would you use? Explain

d) Is this discrete or continuous? Explain your reasoning.

e) Compare the costs for each hour.

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

Enter the missing numbers in the boxes to complete the table of equivalent ratios of lengths to widths. ? 18 8 ? 10 30 12 ?

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the