Answer:
9
Step-by-step explanation:
a²+b
Substituting values,
=> (-2)^2+5
=> 4 + 5
=> 9
Answer:
-9.8n + 11.1
Step-by-step explanation:
1. Combine like terms
-5.8n - 4n = -9.8n
3.1 + 8 = 11.1
2. -9.8n +11.1
Check the picture below
if your calculator is in Degree mode, you'll get the angle in degrees, if in Radian mode, you'll get radians get taking the inverse sine, so you know
1.679 kg * (40 min)/(kg) + 20 min = 67.16 min + 20 min = 87.16 min
She had 18 to start with because when you multiply 4 by 2 it’s 8, so then you add 8 to 10 which is 18.