Answer:
10.99
Step-by-step explanation:

where you see tan20 the 20 has a degree sign on top
Answer:
4.5
Step-by-step explanation:
To find the hypotenuse of a right triangle, we use Pythagorean's Theorem which states that
. Plugging in the values of the two legs given, we get
. We can take the square root of each side and get that
.
Answer:
$8.40 is the amount to be subtracted from the $42.00. If you multiply 20% (.20) by $42.00 you get $8.40. To get your final price subtract $8.40 from $42.00 to get you final answer. I hope that helps.
Step-by-step explanation: