Michael visited his grandparents. the total distance was 280 miles. by train, he could travel 90 miles per hour. by bus he could travel 60 miles per hour. how much time could michael save by taking the train?

"you know, playing tennis is healthier than watching a tennis match on television," katya remarked to her couch potato brother. in this sentence, healthier is a/an a. superlative. b. comparative. c. positive form. d. adverb.

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.

What is the value of the discrimination for the quadratic equation 0=×2+2+×2