Why were roads important to the military expansion of the Roman Republic?
They provided revenue to help fund the military.
They made it difficult for enemies to attack Rome.
They made it easier to move troops to conflict areas.
They allowed soldiers to work in construction when not fighting.

In a test for esp (extrasensory perception), a subject is told that cards only the experimenter can see contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is just guessing has probability 0.25 of guessing correctly on each card. a. the count of correct guesses in 20 cards has a binomial distribution. what are n and p? b. what is the mean number of correct guesses in 20 cards for subjects who are just guessing? c. what is the probability of exactly 5 correct guesses in 20 cards if a subject is just guessing?

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?

Paul can type 60 words per minute and jennifer can type 80 words per minutes. how does paul's typing speed compare to jennifer's