A) 12 m/s/3 seconds, 4 m/s/1s = 4 m/s^2
b) -12 m/s in 4 seconds = -3 m/s^2
c) 18+7*12=102 meters
Answer:
20cm
Step-by-step explanation:
A=hb/2
h=5cm
b=8cm
A=(5*8)/2
A=40/2
A=20
126
Explanation
18/-3-(-12)•(-1)•(-11)
divide 18 by -3 and change signs on the 12
(-6)+12•(-1)•(-11)
multiply 12 and -1
(-6)+(-12)•(-11) then multiply -11 and -12
-6+132
126