Rectangle ABCD is graphed in the coordinate plane. The following are the vertices of the rectangle:
A(5,5), B(7,5). C(7,-1), and D(5, -1).
Given these coordinates, what is the length of side BC of this rectangle?

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?

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

Kayaks rent for $35 per day. which expression can you use to find the cost in dollars of renting 3 kayaks for a day?