Which equation represents the line that passes through the points (6, –3) and (–4, –9)?
a. y + 4 = 3 over 5 (x + 9)
b. y + 4 = 5 over 3 (x + 9)
c. y - 3 = 3 over 5 (x + 6)
d. y + 3 = 3 over 5(x – 6)

Click on the graphic until you find the right quotient. (36xa - 30xb) ÷ (-6x2)

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.

1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. subtraction property of equality 2. m∠1 + m∠2 = 90 and m∠3 + m∠2 = 90 substitution 3. m∠1 + m∠2 = m∠3 + m∠2 definition of complementary 4. m∠1 = m∠3 given