What is the sum of 25 7/8 + 11.5

A - 36 3/8
B - 36 7/8
C - 37 3/8
D - 37 7/8

How to determine whether two known pairs of points are on the same line.

Angela took a general public aptitude test and scored in the 88th percentile for aptitude in accounting. what percentage of the scores were at or below her score?

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?