Find the magnitude of the resultant force and the angle it makes with the positive x-axis. (Let |a| = 28 lb and |b| = 12 lb. Round your answers to one decimal place.)
Vector a makes an angle of 45 degrees above the x-axis int he first quadrant and vector b is 30 degrees below the x-axis in the fourth quadrant.

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?

Binh says the point of intersections is (0,-3) which statements identify the errors binh made , check all that apply

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation. which method should jeremy use?