Which expressions are correct and which are not.

n + n + n + n + n + n + n + n + n + n + n + n + p + p + p + p

10n+4p

Step-by-step explanation:

adding all of the "n" you get 10

when you add the four p's you get4p

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:

(2,20) means that the 2 is 2 hours and 20 is 20$. so there both 20$ for 2 hours only the same price. like it says. so, the dunk tank and the bounce house are the same price (20$) for the same amount of time (2 hours).

hope i