The slope is 3, and it passes through ( -4, -7).
a. y = 6x + 5
c. y = 3x - 7
b. y = 3x + 5
d. y = 3x - 19
the slope is -7, and it passes through ( 5, -3).
a. y = -7x - 3
c. y = -14x + 32
b. y = -7x + 32
d. y = -7x - 38

Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry

Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coup?

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.