200 / 8 = 25
scale factor is 1:25 or 0.04
Eighty seven written in standard form would be...
80 + 7 = 87
Good Luck! :)
Ans123
Step-by-step explanation:
sure what the zoom
Answer:B
Step-by-step explanation:
f = (f1 f2) / (f1 + f2)
f(f1 + f2) = f1 f2
f f 1 + f f 2 = f1 f 2
f1 f2 - f f2 = f f1
f2 (f1 - f) = f f1
f2 = (f f1) / (f1 - f) <==== solution