Answer:
70°
Step-by-step explanation:
A+B+C=180°
70°+40°+C=180°
C=180°-110°
C=70°
Answer:
2 / (x + 1).
Step-by-step explanation:
If the number is represented by x the expression is:
2 / (x + 1).
Answer:
4 x 8.5 x 12.5 =425 (multiple hight x width x length)
The volume of the box is 
There will be excactly 400 fiction books. The ratio of fiction to all is 4 to 9, or 4 to 900.