A square should have 4 lines of symmetry
Answer:
1. 24
2.
where n denotes number of days.
3. 70
Step-by-step explanation:
1.
Consider the sequence: 
Here,

Take the common difference as d = 2 and the first term as a = 12
Use the formula: 
To find expected gain at the end of the week, find 

2.
Yes, the gain shows the pattern.
Put
in 

Here, n denotes number of days.
3.
To find expected gain at the end of 30 days, put
in 

Answer:
Question 1: DE is congruent to GH
Question 2: angle-side-side
Question 3: 153
Question 4: the first choice
Question 5: 26
Step-by-step explanation:
Answer:
The northern temperature was warmer and by 35 degrees
hope this helps
Answer:
52 , 165 , 173 is Pythagorean triple.
Step-by-step explanation:
Pythagorean triple;
a² + b² = c²
Computation:
88² + 105² ≠ 139²
39² + 80² ≠ 119²
38² + 198² ≠ 202²
52² + 165² = 173²
So,
52 , 165 , 173 is Pythagorean triple.