5. You bought an 18 karats ring which contains 18g of gold. What is the % by mass of gold in a ring? A. 65%
B. 75%
C. 85%
D. 95%
(2016 a seat at the table or 2019 when i get home

Is this a polynomial function? i need to know asap

25) 56(1) = 5b a. identity property of addition b. identity property of multiplication c. commutative property of multiplication d. commutative property of addition

The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?