98473048264720384730284764780933692 8764 squared * 12344444498765432123456789876543q23 45678928643456789764

Find the missing dimension extra points

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.

X^2/100+y^2/25=1 the length of the major axis is: a)5 b)10 c)20