Answer:
57 × 10 will give you 5700, as well as 285 × 20.
23
Step-by-step explanation:
Basically I did it backwards & opposites:
-28 divided by -7 = 4
4 + 19 = 23
I checked btw and it worked.
it will be x in terms of y or vice versa
α + β = 180°
∠BFE and ∠FBC
∠CEF and ∠BCE
