12. in a local town, 55% of the residents drive to work, 23% of the residents
own a dog, and 6% of the residents walk to work. find the probability that a
randomly chosen resident owns a dog or walks to work.

In the diagram below what is the approximate length of the minor arc ab

For each proportion find the unknown number x 1/5/8=×/15

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