Find the perimeter of the following polygon. Be sure to include the correct unit in your answer. 16 cm
13 cm
9 cm
7 cm

If the discriminant if a quadratic equation is 4 which statement describes the roots?

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.