What is an equation in standard form of an ellipse centered at the origin with vertex (−7, 0) and co-vertex (0, 5)?

Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b

Will give a: 122 b: 90 c: 48 d: 180

Is the underlined participial phrase correctly placed or misplaced? i smelled each and every flower strolling through the garden. a. correctly placed participial phrase b. misplaced participial phrase