How do you factor out a negative 1 i need to study

Katlyn made 4 dresses with 7 yards of fabric. how many yards did she use on 1 dress?

Which expression is equivalent to 5r6141 2r+st6

Which equation represents a circle with a center at (–3, –5) and a radius of 6 units? (x – 3)2 + (y – 5)2 = 6 (x – 3)2 + (y – 5)2 = 36 (x + 3)2 + (y + 5)2 = 6 (x + 3)2 + (y + 5)2 = 36