If the tax rate is 8% how much tax would Luis pay for a pair of pants for 18$ and 2 shirts for 9.99$ each

When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer

David must install fencing around a lot that is shaped like a right angle. the side of lot that runs east-west is 200 ft long. the side of the lot runs north-south is 125 ft long. calculate how many feet of fencing he will need to surround the entire lot.

What is not true about kl and mn? what is mn? (show )