Answer:
Trigonometric ratios are used to find unknown angles/sides of a right angle triangle
I would tell her not to because not only does she have to pay back the 1000 but now she also has to pay back the interest on it. She should just wait or save up until she has 1000 that way she dont gotta pay extra.
The slope is m=3 hope this helps!!
D. 60 and 30. 9x-18=90 x=12. plug x=12 into 5x and again into 4x-18 and you should end up with 60 and 30