Last week students sold 44 magazine subscritions. This week they sold 99. What was the percent of change?

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

[tex]5 \times1 \frac{12}{13} [/tex] me

Use pascal's triangle to find the missing values. x4 - 4xb + 6x2 - ax + 1