Find the value of x. Round the length to the nearest tenth. The diagram is not drawn to scale.

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

Proportions in triangles solve for x