What are the x-intercepts of the function f(x) = -2x2 – 3x + 20?
• 14.0) and (30)
• (- ) and (4,0)
O (-5,0) and (2,0)
(-2, 0) and (5,0)

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.

The anwser cause i do not understand just plez

Find two consexutive odd integers such that the sum of their square is 650