45 students will be grouped in pairs (groups of 2). How many different combinations of groups can you have?

What is the difference between the points (4, 7) and (4, -5)? a. 0 units b. 2 units c. 4 units d. 12 units

In the diagram below? p is circumscribed about quadrilateral abcd. what is the value of x

Which ordered pair is a solution of the equation? y + 5 = 2(2+1) choose 1 answer ® only (5,10 ® only (-1,-5) © both (5, 10) and (-1,-5) 0 neither