An orange can be separated into 8 sections. if 4 people eat 4 sections each, how many oranges will it take to feed them?

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)

Which point has an coordinates of (2,0) ? a

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?