A true-false test has 10 questions. If Lisa answers all
questions by guessing, what is the probability of obtaining 8
or 9 correct answers?

34 cup. a serving of vegetable soup is 23 cup. the restaurant sold 20 servings of chicken noodle soup and 18 servings of vegetable soup. how many more cups of chicken noodle soup did they sell than cups of vegetable soup?

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

For each sentence below, find the value of x that makes each sentence true. (515) 5 = 25* x= (813)2 = 4* x=