In a class of 30 pupils, 18 have a dog, 20 have a cat and 3 have neither. Il a
member is selected at random, find the
probability that this pupil has both a cat
and a dog.

Aportion of a hiking trail slopes downward at about an 84° angle. to the nearest tenth of a flot, what is the value of x, the distance the hiker traveled along the path, if he has traveled a horizontal distance of 120 feet? a. 143.3 b. 12.5 c. 120.7 d. 130.2

Describe how making an ‘and’ compound sentence effects your solution set

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9