Find two numbers whose ratio is 3 to 1 such that the difference of their squares is to their sum as 6 is to 1. What are the two numbers? a. 3 and 9
b. 1/2 and 1/6
c. 1/3 and 1/9
d. 6 and 18
d. 9 and 27

Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

The two cylinders are similar. if the ratio of their surface areas is 9/1.44 find the volume of each cylinder. round your answer to the nearest hundredth. a. small cylinder: 152.00 m3 large cylinder: 950.02 m3 b. small cylinder: 972.14 m3 large cylinder: 12,924.24 m3 c. small cylinder: 851.22 m3 large cylinder: 13,300.25 m3 d. small cylinder: 682.95 m3 large cylinder: 13,539.68 m3