It's 30 degrees
Step-by-step explanation:
Hope this helps!
I can’t see the problem very well, but your answer should be the one with (-3/2,0) as the intersecting point on the graph.
Answer:
49 r. 3

the answer is 49 but since three can go into 148 evenly the remainder is 3
Instead of typing it all on here, I included my explanations with the work.
I'm not sure what your variables are, but I will try task 3 with you.
y=$500(in billions)
x= the number of years that have passed since 2009
percentage of decrease: 1 - % =
so your formula will look like this: y(1 - %)^x