Answer:
β = arccos((a^2 + c^2 - b^2)/(2·a·c))
β = arccos((3^2 + 7^2 - 5^2)/(2·3·7)) = 38.21°
Answer:
6
plz vote me brainliest
Step-by-step explanation:
63: 1 x 63 3 x 21 7 x 9................
The bottle of 100 would be lowest. $8.13 ÷ 100 lozenges = $0.08 per lozenge