Solve for y in the following system of equations: −x+y=0 −2x+y=−5 1. 5 2. 7 3. 6 4. 5

Which of the following expressions is equal to 2x^2+8

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?