Answer:
1. -1
2. 5
3. 14
4. 26
Step-by-step explanation:
Answer:
Infinitely many solutions
Step-by-step explanation:
When the solved system has the same number on each side, the system has infinite solutions.
I forgot but I used to know this one
Answer:
C.
Step-by-step explanation:
Circumference=PI*diameter
Circumference=3.14*19.5
Circumference=61.23 rounds to 61.2 so the answer is C