3 x 4(hours) = 12
60 - 12 = 48
At 4am the temperature was 48 degrees
Answer:
0.5
Step-by-step explanation:

Hope this helped :)
Answer:
21+3x
Step-by-step explanation:
multiply the 3 by everything inside the parentheses
Answer:
D. The intersection of the angle bisectors.
Step-by-step explanation:
The incenter is equidistant from each of the sides of the triangle. An angle bisector is the set of points equidistant from the sides, so the incenter is the place where the angle bisectors meet.