When a sound wave uncounters a barrier, what happens?
a. the sound reflects
b. the sound is amplified
c. the sound is muffled
d. the sound dissipates

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2

How do newtons third law of motion demonstrates on a rollar coster