Use quadratic regression to find a function that fits the following points.
(-3, 117) (0, 45) (3, 27)

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?

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of