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Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.

In a timed typing test lara typed 63 words per minute. estimate the number of words she should be able to type in half in hour show your work

Y= a(x-3)squared-1 what is the value of a