How many seven-digit numbers are there when 0 and 5 cannot be the leading number?

Consider symmetrically placed rectangular insulators with uniformly charged distributions of equal magnitude as shown. x y −−−−−− what is the direction of the net field at the origin?

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

If sin(x) = 0 and cos(x) = 1, what is tan(x)?