2/5= 12/30
The road is 12/30 miles long, they pave 1/30 each hour
60x12= 720 minutes= 12 hours
Answer:
We know that a negative value is positive of all even exponents and negative for all odd exponents.
y=(-1)^x
128
Step-by-step explanation:
all angles of a triangle will always equal 180
so, we know 2 angles
180-40
140-1128