Write an equation of the line with the given slope and y-intercept. 1. slope: 4
I-intercept: -9
a. y=-9x - 4

b. y = 4x - 9

C. y = 4m+9

d. y = -9x-4

Which equation represents the partial sum of the geometric series?

Which must be true in order for the relationship △zyv ~ △xwv to be correct? zy ∥ wx ∠z ≅ ∠y and ∠w ≅ ∠x zv ≅ vy and wv ≅ vx ∠z ≅ ∠x and ∠w ≅ ∠y

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.