Answer:

Step-by-step explanation:

Answer:
A C E
Step-by-step explanation:
<span>When the temperature of the air is 50°C, the velocity of a sound wave traveling through the air is approximately Answer</span>: 361 m/s
Answer: B.
Step-by-step explanation:
In a 45-45-90 triangle, the hypotenuse of a triangle is
times the leg. If the hypotenuse is 16, and x is the leg, then x is
, or
.