What is the equation of the circle with center (5, -4) and radius 4?

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.