Wat is 3/8 of 980. pls explain your answer

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

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2