18. Find the measure of each numbered angle.
m∠1 = 50°, m∠2 = 90°, m∠3 = 40°, and m∠4 = 50°
m∠1 = 50°, m∠2 = 90°, m∠3 = 30°, and m∠4 = 50°
m∠1 = 70°, m∠2 = 130°, m∠3 = 20°, and m∠4 = 70°
m∠1 = 60°, m∠2 = 90°, m∠3 = 30°, and m∠4 = 60°

The following division is being performed using multiplication by the reciprocal find the missing numbers is 5/12 divided by x/3 equals 5/12 times x/10 equals 1/x

Select the number of ways in which a line and a circle can intersect

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?