A triangle has angle measurements of 72°, 32°, and 76º. What kind of triangle is it? acute
right
obtuse

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

Ineed with angles and the measure of them i have abc a is 65 and b is (3x-10) and c is (2x) find the value of x

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?