A 1-mile hiking path has signs placed every 240 feet. There are signs also placed at the beginning and end of the mile. How many signs are there?

Aparallel system functions whenever at least one of its components works. consider a parallel system of n components, and suppose each component works independently with probability 0.5. find the conditional probability that component n works given that the system is working

Use the distributive law to multiply. 3(4x + 5y + 6)

How do you determine if an ordered pair is a solution to a given equation?