What type of image is formed by the following mirror? A) virtual, upright, enlarged
B) virtual, upright, reduced
C) real, inverted, enlarged
D) real, inverted, reduced

The velocity of car is 80.0 miles per hour. what is the velocity of car in meters per second? (1 km -0.621 miles) m/s

Suppose that f : rn → rm and that a ∈ k, where k is a connected subset of rn . suppose further that for each x ∈ k there exists a δx > 0 such that f(x) = f(y) for all y ∈ bδx (x). prove that f is constant on k; that is, f(x) = f(a) for all x ∈ k

Convection currents are caused by differences in what two things?