Answer:
35 feet up and down
Step-by-step explanation:
15 up plus 20 down= 35 feet.
15+20=35
33% (B)
Step-by-step explanation
It increased by 150, and 150 is 1/3 of 450, so 33% Hope this helped! Good luck!
a) 3^9
add 5 and 4 to get 3⁹.