Which set of ordered pairs (x, y) could represent a linear function? A = {(-3,3), (-1,0), (1,-4), (3,-8)}
B = {(-2,5), (-1,3), (1, 1), (3,-1)}
C = {(0,9), (3,5), (6, 1), (9, -3)}
D = {(-2,9), (1,8), (3,7), (5,6)}

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

Anumber cube is rolled two times in a row. find the probability it will land on 2 on the first roll and a number greater then 4 on the second roll

Afarm is to be built in the shape of quadrilateral abcd, as shown below. all four sides are equal. a rhombus abcd is shown with diagonal ac equal to 15.5 feet and diagonal bd equal to 13.2 feet. what is the area of the farm? pleas only pick from the 4 below 62 square feet 52.8 square feet 57.4 square feet 102.3 square feet