What is the value of x in the equation 3(4x+6) =21
a) 1/4
b) 13/4
c) 4/13
d) 12/7

David must install fencing around a lot that is shaped like a right angle.the side of lot that runs east-west is 200 ft long.the side of the lot runs north-south is 125 ft long.calculate how many feet of fencing he will need to surround the entire lot.

What kind of bond pays interest which is exempt from tax?

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?