16b² − 40b + 25
Solve this PLZ

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

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.