Abag contains two steel balls and five brass balls. the total weight of the bag is 13 pounds. if two steel balls are added and two brass balls are removed, the bag’s weight decreases to 12 pounds. if s is the weight of a steel ball and b is the weight of a brass ball, the system of linear equations representing this situation is . solving the system of linear equations, the weight of a steel ball is , and the weight of a brass ball is . nextreset

When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer

Quadrilateral wxyz is on a coordinate plane. segment yz is on the line x+y=7 and segment xw is on the line x+y=3. which statement proves how segments yz and xw are related

Determine whether the following statements are true and give an explanation or counterexample. bold a. when using the shell method, the axis of the cylindrical shells is parallel to the axis of revolution. bold b. if a region is revolved about the y-axis, then the shell method must be used. bold c. if a region is revolved about the x-axis, then in principle it is possible to use the disk/washer method and integrate with respect to x or the shell method and integrate with respect to y.