Answer:
one solution
Step-by-step explanation:
x + y = 6 so 2x + 2y = 12
That means 3y = 9 so there is only one solution. x also equals 3
That is right because it has 5 so it could be 4.8 and/or 4.9
Answer:
63
Step-by-step explanation:
Make a ratio:
5 : 7 = 45 : x
x = 63
Number 8 is C. I'm still trying to figure out what number 7 is.
