Tickets to a school basketball game cost four dollars for students and seven dollars for adults. At the end of the night, 168 tickets are sold for a total of $861. How many students tickets are sold?

The figure below shows rectangle abcd and the triangle eca on a coordinate plane.which of the following expressions represents the perimeter of triangle of triangle eca in units

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

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.