Cassy raises sheep. Approximately 1/7 of her sheep are black. She own 22 sheep. About how many of her sheep are black?

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?