All except the third selection are 0.
-12+12= 0
8+(-8)=0
-5+-5= -10
-20+20=0
-2,000+2,000=0
follow the the rules of integers
Answer: 87.5
Step-by-step explanation:
Triangle area = base * height / 2
25 * 7 = 175
175/ 2 = 87.5
The average yearly growth rate of the height of the tree was 2.2 feet per year during the 7 1/2 years.
Why did the narrator use the phrase “fit together like puzzle pieces” to describe how the cells of a developing human embryo form a human face
Answer: x=13
Step-by-step explanation:
(x-5) + x = 21 given
2x-5=21 combined like terms
2x=26 addition property of equality
x=13 division property of equality