For a geometric sequence, it is known that a1= 3 and an/an-1= 2, where n is any whole number greater than 1. What is the third term in the sequence? A.5
B.6
C.7
D.12​

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?

Line wx is parallel to line yz. if m

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)