Describe a real-world situation in which opposite quantities combine to make zero. represent addition and subtraction on vertical and horizontal number line diagrams. demonstrate how to add two numbers using absolute value and a number line diagram.\ interpret sums of rational numbers by describing real-world situations.

When your friend gives you money to borrow because you have 0. But then you have to pay them back to now you have 0 dollars again! I hope this made sense! If it did please mark me as brainliest!!

11.2

step-by-step explanation:

when doing tangent the tangent of the angle is equal to the opposite side from the angle over the adjacent side to the angle.

tan43 = x / 12

move 12 over by multiplying each side by 12

12tan43 = x

x = about 11.2