Answer:
part A:d=5.4-3.1
Part B:t=4.9+3.1
Part C:If ted walks 5.4 kilometers,then david walks 2.3 kilometers,If david walks 4.9 kilometers,then ted walks 8 kilometers.
Answer:

Step-by-step explanation:

(1, 3) ⇒ x₁ = 1, y₁ = 3
(7, 2) ⇒ x₂ = 7, y₂ = 2
So the slope:

Answer: 23in squared
Step-by-step explanation:
9 plus 4 plus 10
Three fifths y plus left parenthesis negative six fifths y right parenthesis
3/5y + (−6/5y)= -18/5y = -18/5=y - 3 3/5