The anwser is b because sum means add
Answer:
$31.5
Step-by-step explanation:
-$45
-30 percent off of $45
30 times 45 divided by 100
1350/100
13.5
45-13.5
$31.5
Answer:
probablity of grapes = 0.2
Step-by-step explanation:
here's the solution : -
probablity of grapes =

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Alright so if I do remember my math correctly, this is how it goes:
- y = -x^2 + x + 3
- x = -b/2a
- x = -1/2(-1)
- x = -1/-2, which = (1/2)
Not quite sure if this was correct, but if it was, hope this helps and you're welcome! :)
If f(x)=2x-1 just plug in the 3 where x is. So it would be 2(3)-1=5