Ajewelry box contains two gold hoop earrings and two silver hoop earrings. you randomly choose two earrings. what is the probability that both are silver hoop earrings? write your answer as a fraction or percent rounded to the nearest tenth.

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.

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?

If wxyz is a square, which statements must be true? plz < 3