Select the expressions that are equivalent to 8n+6n. 7n + n + 6n

14n

4n + 11n

n + 14

7n+n+6n

like terms

8n+6n

1st, 2nd

Step-by-step explanation:

8n + 6n = 14n

n = 1n

7n + 1n + 6n = 14n

14n = 14n

51

step-by-step explanation:

73-22=51 the   mass number minus the amount of protons gives you the amount of neutrons

(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