Answer:
Step-by-step explanation:
P ( )
Exponent
Mutilpy
Divide
Add
Subtract
Answer:
86=y
Step-by-step explanation:
129=y+43
-43 -43
86=y
or
y=86
A)
145 - 5d
5d = 145, set equal
29 days to lay all the track
b)
5*19 = 95
145-95 = 50
After 19 days, they have 50 miles to go.
The 23 <em>exterior</em> angles add to 360. The interior angles are supplements of the exterior angles.
180 - 360/23 = 3780 / 23 = 164.3478...
Answer: a