Calculate s5 for the sequence defined by {an}={1+5/2n} 13.5 23 40 42.5

Three times the difference of federico’s age, and 4, increased by 7, is greater than 37. what are possible values of federico’s age?

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

What is the ratio of the length of an object in yards to the length of the same object in miles?