For the following geometric sequence find the explicit formula. {12, -6, 3, ...}

What is the lcm of 16 and 40 ? 24 and 40 ?

Lines b and c are parallel. what is the measure of 2? m2 = 31° m2 = 50° m2 = 120° m2 = 130°

Amir wants to proportionally increase the size of a photo to create a poster for his room. the size of the original photo is shown. complete the statement and then answer the question to represent ways that amir can increase the size of his photo.