24 in total. 8 were solo. The test group. 24-8=16 group. 16/24=(66+2/3)%
Answer I
Answer: -11 degrees Celsius
Step-by-step explanation:
First you subtract 3-12 leaving -9 then you add positive 5 to -9 giving you -4 then add 9 to equal 5 and lastly 5- 16 to get -11.
The angle of depression is
tan^-1 3/7 = 23.2 deg
Answer:
As the cars speed the loudness decreases for you to not really hear anything
Diameter = 8 cm
radius = diameter/2 = 4 cm
A = pi * r^2
A = pi * (4 cm)^2
A = 16pi cm^2