Answer:
20, increased, Bianca
Step-by-step explanation:
First one:
He is shown to have travelled 20km in 1 hour, so that's 20km/h.
Second:
The gradient is how steep the curve is, the steeper the faster the person is travelling. Due to the fact Bianca's curve becomes steeper, it shows she is travelling faster. Therefore, her running speed increases.
Third:
Bianca's line hits 50km before Alberto, so therefore she finished first.
Let me know if this makes sense, hope it helped! :D
A because they all something I forgot but a
Answer:
Step-by-step explanation:
After you plug in d and C you will end up with 40 after you solve if you just need the equation it will be -2-4-3+17+32 to simplify further add like terms which will give you -9+49 add those and it’ll be 40
