The life span of a dog is normally distributed with a mean of 12.5 years and a standard deviation of 2 years. Estimate the probability that a dog’s life span is between 10.5 and 14.5 years.

Asif spent $745.10 on 13 new file cabinets for his office. small file cabinets cost $43.50 and large file cabinets cost $65.95. write and solve a system of equations to find the number of small cabinets and large cabinets he purchased. determine if each statement is true or false. 1. he purchased 5 small cabinets. true or false 2. he purchased 7 large cabinets. true or false 3. he spent $527.60 on large cabinets. true or false

State if the two triangles are congruent. if they are, state how you know?

Collin did the work to see if 10 is a solution to the equation r/4=2.4