An algebra teacher drove by a farmyard full of chickens and pigs. the teacher happened to notice that there were a total of 100 heads and 270 legs. how many chickens were there? how many pigs were there? (must show work)

Ms. sutton recorded the word counts and scores of the top ten essays in a timed writing contest. the table shows her data. how does the word count of an essay relate to its score in the contest? word count tends to decrease as the score decreases. word count tends to increase as the score decreases. word count tends to remain constant as the score decreases. word count has no apparent relationship to the score of the essay.

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling