It is given in the question that
A projectile is fired at 657 mi/hr. how fast is that in meters per second? use the conversion factor 1 mile = 1610 m.
So we need to convert miles per hour to meters per second.
And it is given that 1 mile equals to 1610 meters and 1 hour equal to 3600 seconds.
So we will get

Answer:
B and D
Step-by-step explanation:
Hope this helped :)
Answer:
Surface Area of Triangular Prism=444 m
Surface Area of Square Pyramid= 146 cm
Step-by-step explanation:
Hope this helps.