Five workers dig a trench 5 yards long in 5 hours. How many workers are needed to dig a 100 yards long in 100 hours?

The measurement of one angle of a right triangle is 34°. what is the measurement of the third angle?

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%

Laura read 1/8 of a comic book in 2 days. she reads the same number of pages every day. what part of the book does she read in a week