Add. Write the answer in standard form.
(6 - i) + (7 + 3i) =
) =

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

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?

Drag each equation to the correct location on the table. for each equation, determine the number of solutions and place on the appropriate field in the table.