Kylie spends a winter day recording the temperature once every three hours for science class. At 9 am, the temperature was -5.9°F. Between 9am and noon, the temperature increased by 14.3°F. Between noon and 3pm, the temperature went down 10.8°F. Between 3pm and 6pm, the temperature decreased by 8.4°F. What was the temperature at 6pm?

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

One month, a music site observed that 60% of the people who downloaded songs from its site downloaded q sam's latest single. the equation below represents this information, where x represents the total number of people who ddownloaded songs from the site that month: x = 0.6x + 384 how many people who downloaded songs from the site that month downloaded q sam's latest single?

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?