If sin x= 1/2 and cos x= √3/2, the measure of angle x is equivalent to:

What is the multiplicative rate of change of the exponential function shown on the graph?

If 25% of y is 30, what is 60% of y?

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?