Answer:
the total of angle's in traingle is 180
so 85+53+c=180
c=180-138
c=42
Answer:
Mean age = 1271.27
Step-by-step explanation:
No of children = 77
The age at which children first began to combine words = 16.51 months
Mean age = No of children × age at which children first began to combine words
= 77 × 16.51
= 1271.27
Mean age = 1271.27
Your absolute value cannot be negative.
Answer:
She should have multiplied by 10,000.
The ratio is 1:3 because every 3 people 1 is a vegetarian