Required information NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Consider the given plate and loading shown in figure (a) and (b). 4 in. X 10 in. A - 20 in.. (a) 10 in. 4 in. B A 20 in. (b) Determine the reactions at A and B. Given: X= 40 lb and Y= 85 lb. X Y 10 in. B 30 B 30 X 10 in. A 4 in. 20 in. (a) 10 in. 4 in. B A 20 in.- (b) Determine the reactions at A and B. Given: X= 40 lb and Y= 85 lb. X 4 in. 10 in. A Y -20 in.- The magnitude of the reaction at B is The magnitude of the reaction at A is B 30 lb x lb x B 30