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1.​Currently, the fastest 1 mile run by a female was done in 223 seconds. Answer the​...

1.​Currently, the fastest 1 mile run by a female was done in 223 seconds. Answer the​ following: ​

a) What is this​ lady's speed in​ mph, round to 3​ decimals?

​b) How many minutes does it take her to run 2112​ feet, round to 3​ decimals?

2.Solve. Answers in Exact​ Form, round to three​ decimals, and interval notation as needed. IF no solution or all​ Reals, explain why.

​1) −120≤.6−.8D<10

​2) 2|10x-9|-15=-8

​3) -2|3x-7|-55<-10

​4) |32x-5|-|7-61x|=0

​5) |3x-7|<-10

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