How many 2-letter combinations can be made from the letters a, b, c, and d? a. 4 c. 8 b. 6 d. 12

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

If you measured the width of a window in inches and then in feet with measurement would you have the greater number of units

What is the measure of angle x? a.101 b.158 c.44 d.79