Which scenarios have a negative correlation? check all that apply a) the number of calories consumed and the amount of weight lost by a person. b) the temperature outside and the number of pool guests c) the number of children assigned to a class and the number of desks d) the price of rice and the number of penguins at the south pole e) the thickness of the ice on a lake and the likelihood of falling through the ice

Find the arc length of the semicircle. 7the grade

Arepresentative from plan 1 wants to use the graph below to sell health plans for his company. how might the graph be redrawn to emphasize the difference between the cost per doctor visit for each of the three plans? the scale on the y-axis could be changed to 0–100. the scale on the y-axis could be changed to 25–40. the interval of the y-axis could be changed to count by 5s. the interval of the y-axis could be changed to count by 20s.

Ashop has a sale that offers 20% off all prices. on the final day they reduce all the sale prices by 25% linz buys a ratio on the day. work out the overall percentage reduction on the price of the ratio