Let u1 = (3 1), u2 = (5 2) v1 = (1 -2) v2 = (1 -1); and let L be a linear operator on R2 whose matrix representation with respect to the ordered basis {u1, u2} is A = ( (2 1) (3 2)). Find the matrix representing L with respect to the ordered basis {v1,v2}

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?

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

Abag has more green balls than blue balls, and there is at least one blue ball. let bb represent the number of blue balls and let gg represent the number of green balls. let's compare the expressions 2b2b and b + gb+g. which statement is correct? choose 1