If you flip a coin 10 times, how many times will it land on heads?

State if the two triangles are congruent. if they are, state how you know?

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 two numbers if their sum is 91 and the ratio is 6: 7?