The library is 1.75 miles directly north of the school. the park is 0.6 miles directly south of the school. how far is the library from the park?

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate.in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30