Calculate the distance between the points A= (-3,1) and Q= (1,-3) in the coordinate plane

If x = 12 and y = 3, what is the value of x - y 2? 81 6 3 18

Plzzz plzz maths ! quadratic sequences =an^2+bn 1) 1,6,15,28,45 2)5,18,39,68,105 3) 1,8,21,40,65 4) 7,24,51,88,135 5) -1,2,9,20,35

Write 17/20 as a decimal and as a percent.