Haley is camping and needs to go from the campground to the waterfall. She hikes 3 miles north and then 7 miles east. To the nearest tenth of a mile, how far is it in a straight line from the campground to the waterfall?

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.