Step-by-step explanation:
55=x+15
-15 -15
40=x
Hope it helps!
Answer:
a=35
b=20
a+b =55
a=b+15
b+15 +b =55
2b=55 - 15
2b=40
b=40 :2
b=20 (the smallest number)
a=20 +15 =35 (the largest number)
Yes it's A. 0.79
You plug in 6.5 into the y-value since it asks to find the ratio,x, if the pHis 6.5. Then you can solve using a calculator to get 0.79432, or 0.79
1) should be second option
CD→
2) None of these
