y varies directly with x and y - 45 when x 9. a. What is the constant of variation? b. Write an equation to represent this relationship. y - c. Create a table of values for this equation and graph the ordered pairs. 50 45 X у 401 351 30 251 20 15 10 15 -101-86 246810 5

In triangle abc segment de is parallel to the side ac . (the endpoints of segment de lie on the sides ab and bc respectively). find de, if ac=20cm, ab=17cm, and bd=11.9cm;

What numbers are included in the set of integers? what numbers are not included?

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.