A spinner with four equal sectors labeled “purple,” “orange,” and “green” is spun 45 times. What is the probability that the spinner will land on “purple” in fewer than 20% of the spins? A. 0.212
B. 0.221
C. 0.460
D. 0.779

All per-unit concepts rely on ratios, meaning, to provide a type of measurement

Bobby bought 1.12 pounds of turkey at a cost of 2.50 per pound. carla bought 1.4 pounds of turkey at a cost of 2.20 per pound. who spent more and by much?

The average daily maximum temperature for laura’s hometown can be modeled by the function f(x)=4.5sin(πx/6)+11.8 , where f(x) is the temperature in °c and x is the month. x = 0 corresponds to january. what is the average daily maximum temperature in may? round to the nearest tenth of a degree if needed. use 3.14 for π .