What is 64.2 multiplied by 0.25

In two fractions have the same denominator but different numerators,which fraction is greater? give an example

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.

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.