You choose a marble at random from a bag containing: 3 blue marbles
7 red marbles
4 green marbles
What is the probability that you pick a red marble, replace it, and then pick a
green marble?
Express your answer in percentage form, round to the nearest tenth.

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

Sketch one cycle if the cosine function y=2cos2theta