Lets go my i. g.c. s.e examinations got cancelled

Solve the system of equations. y= 2x y= x^2 - 15

Asquare is dilated by a scale factor of 1.25 to create a new square. how does the area of the new square compare with the area of the original square? a)the area of the new square is 1.25 times the area of the original square. b)the area of the new square is 2.50 times the area of the original square. c)the area of the new square is 1.252 times the area of the original square. d)the area of the new square is 1.253 times the area of the original square.

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)