Answer:
its either -20 or -7
Step-by-step explanation:
i believe its -20 tho hope it helps
Correct answer is 4:13 am
Answer:
he can do a lap in 14 seconds
and he can swim 4 laps in 56 seconds
Step-by-step explanation:
Ad - bc = f......for d
add bc to both sides
ad = f + bc
divide both sides by a
d = (f + bc) / a
