7.kristy baked 18 cookies. she took 2/3 of the cookies to work. how many cookies did she not take to work? 4 6 8 12

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

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

Question 10 of 211 pointuse the elimination method to solve the system of equations. choose thecorrect ordered pair.10x +2y = 643x - 4y = -36a. (4,12)b. (-3, 11)c. (2,10)d. (-5, 8)