Look at the middle 9 in exercise 18. how is it’s value related to the value if the 9 to it’s left? to the value of the 9 to its right

what grade is this and i am not super sure but i think its

8

according to this law, when unemployment goes up by 1%, gdp drops by 2%. in the question, unemployment rate goes from 2% to 5%, meaning unemployment goes up by 3%, so the gdp drops by 6%. thus the effect is a drop in gdp by 6%.

step-by-step explanation:

m∠a is 90°

m∠b is 40°