Answer:
1-A-15
2-C
Step-by-step explanation:
7-21 is an increase by 3 times, so 5*3=15
The second is kinda blurry, so it's a little hard to explain.
The answer is 12
Step-by-step explanat
Answer: The answer is x=-4 and y = 2
Step-by-step explanation: you have to use substitution
7/8 - 7x/9
;)
