1. Angle DEF
2. Definition of congruent angles
3. The measure of angle GHI
45 minutes equal to 2700 seconds.
Answer:
F= (9C+160)/5
Step-by-step explanation:
C=5(F-32)/9
make F the subject of the formula= isolate F
5(F-32)=9C
5F-160=9C
5F=9C+160
F= (9C+160)/5
check: a, b, c are all positive integers (a=9, b=160, c=5)
Answer: D
Density= mass/volume
12.9g/8cm3= 1.6 g/cm3