7x+y=25
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Answer:
2 times the square root of 21 all over 13
Step-by-step explanation:
Step-by-step explanation:

Answer:
3/70
Step-by-step explanation:
change 1/10 and 1/7 so the denominator (bottom number) is the same. 1/10= 7/70 and 1/7= 10/70 so you need 3/70 to make the two numbers equal.
Answer:
15. b < 16
17. c (is greater than or equal to) 25
Step-by-step explanation:
i hope this helps :)