B. 3
at 4 weeks it is at 12 cm. 4x3 is 12
divide total miles by total time:
60.9 / 3.5 = 17.4 miles per hour
The answer to this question is 0.4
Y=6x (1)
y=5x-7 (2)
Substitute y into (2)
(6x)=5x-7 -- subtract 5x from both sides
x=-7
Sub x into 1
y=6(-7)
y=-42
x=-7
y=-42
Answer:
-t
Step-by-step explanation:
t - 5 - 2t + 5 =
t - 5 + 5 - 2t =
t - 2t =
-t
