Pause of the birds in a particular aviary, 30 are both spotted and crested and 10 are neither spotted nor crested. what is the total number of birds in the aviary?
(1) the number of birds that are spotted but not crested is 10 greater than the number of birds that are crested but not spotted.
(2) more than 3/5 of the birds in the aviary are spotted.

The sketch shows two parallel lines cut by a transversal. angle 2 2 is 36° 36 ° . what is the measure of angle 8 8 ?

Figure lmno is located at l (1, 1), m (4, 4), n (7, 1), and o (4, −2). use coordinate geometry to best classify quadrilateral lmno.

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.