Which list of numbers can be described by the following rule?

Each number in the sequence is three times as big as the previous number.
A.
27 , 9 , 3
B.
3 , 10 , 28
C.
12 , 6 , 3
D.
3 , 9 , 27

The sum of two numbers is 86, and their difference is 20. find the two numbers

How does a low unemployment rate affect a nation's economy? a. the nation has a higher number of productive resources. b. the nation can spend more money on for unemployed people. c. the nation can save money by paying lower salaries to a large workforce. reset

In the diagram, a building cast a 35-ft shadow and a flagpole casts an 8-ft shadow. if the the flagpole is 18 ft tall, how tall is the building? round the the nearest tenth.