If –2 and –5 are the roots of the equation ax + bx + 20 = 0, find the values of a and b.

Select a graph that have an equation with a < 0

Find the area of the unshaded square

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.