13 1/3 of a number is 30. find the number
A. 225
B. 223
C. 456
D. 552

Is fgh ~ jkl? if so, identify the similarity postulate or theorem that applies.

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?

Find the area of a parallelogram with base 15 yards and height 21 2/3