Acaterer knows that 18 heads of lettuce are needed to make dinner salads fro 70 people. how many heads of lettuce are needed for a party of 175 people?

Julia chooses a card at random from her set of cards. what is the probability that the card is labeled cat or hamster?

Proving the congruent supplements theorem

Sandy is upgrading her internet service. fast internet charges $20 for installation and $52.45 per month. quick internet has free installation but charges $57.45 per month. part 1 out of 2 complete the equation that can be used to find the number of months after which the internet service would cost the same. use the variable x to represent the number of months of internet service purchased.