Find the area of a parallelogram with the given vertices.
P(-2,-5), Q(9,-5), R(1,5), S(12,5)

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?

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

Stacey filled her 1/2 cup of measuring cup seven times to have enough flour for a cake recipe how much flour does the cake recipe calls for