Answer:
72
Step-by-step explanation:
It showed us the formula to solve it.
12x12 = 144
144 divided by 2 = 72
72 is the answer.
10. A 11. D 12. A (wasn’t too sure about question 12)
Answer:
20%
Step-by-step explanation:
To find the percent increase lets first find the increase.
36-30 = 6
Now divide the increase by the original amount
6/30 = 1/5 = 20%
Answer: (3,inf)
(-inf,3)
Step-by-step explanation:
X = - 7 - y ( - 7 - y ) y = 12y = - 3 or y = - 4x = - 7 - ( - 3) or x = - 7 - ( - 4)( - 4, - 3)( - 3, - 4)