Identify the coordinates of (3, –9) after a rotation of 180° about the origin.

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?