A choir is performing in front of an audience. A microphone is placed in front of the choir to capture sound. Which polar equation represents the microphone the choir is using? r = 4cos(2θ) r = 4cos(4θ) r = 4 + cos(θ) r = 4 + 4cos(θ)

Franklin neason earns $5,250 a month as a sales manager. what is his semimonthly salary? a.$10,500b.$5,250c.$2,365d.$2,625

The speed of a falling object increases at a constant rate as time increases since the object was dropped. which graph could represent the relationship betweent time in seconds, and s, speed in meters per second? speed of a falling object object over time

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base