Joan mixed 9 mL of an acidic solution with 8 mL of a 46% acidic solution to make a 47% acidic solution. Find the percent acid concentration of the first solution

Perform the indicated operation. 8/a - 6/a + 7/a

Luke wants to reduce the area of his rectangular garden by 1/4 the expression 14/w can be used to represent this change. what is another way to write this expression?

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?