Estelle is building a slide for her kids. If the ladder is 5 feet tall and she wants the bottom of the slide to be 12 feet from the ladder, how long does the slide need to be? Please answer step by step
This is from IXL Y.3
8th grade Math
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The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers

Acompany manufactures three types of cabinets. it makes 110 cabinets each week. in the first week, the sum of the number of type-1 cabinets and twice the number of type-2 cabinets produced was 10 more than the number of type-3 cabinets produced. the next week, the number of type-1 cabinets produced was three times more than in the first week, no type-2 cabinets were produced, and the number of type-3 cabinets produced was the same as in the previous week.

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums. what is the probability that the applicant who gets the job plays drums or guitar?