Marco is buying Christmas presents for his five family members. He would like to spend less than $175 total. On average, how much can he spend on each person?

There is a line with slope 1/a going through the point (a, a²). find the equation of the line perpendicular to this line at this point. (don’t let this problem intimidate you! solve the problem as you would if i’d given you specific values. just use variables instead.)

Describe the relationship between the angles of similar triangles and the sides of similar triangles

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons