Answer:
Step-by-step explanation:
The submarine is underwater for 6 seconds. The submarine hits the water after 1 second and comes back up at the 7th second.
Given the expression

The expression that is equivalent to the given expression is given by:
The common factor would be 3 because 3 is the highest multiple of 15 and 9
Answer:
░░░░░▐▀█▀▌░░░░▀█▄░░░
░░░░░▐█▄█▌░░░░░░▀█▄░░
░░░░░░▀▄▀░░░▄▄▄▄▄▀▀░░
░░░░▄▄▄██▀▀▀▀░░░░░░░
░░░█▀▄▄▄█░▀▀░
░░░▌░▄▄▄▐▌▀▀▀░░ This is Bob
▄░▐░░░▄▄░█░▀▀ ░░
▀█▌░░░▄░▀█▀░▀ ░░ Copy And Paste Him onto all of ur brainly answers
░░░░░░░▄▄▐▌▄▄░░░ So, He Can Take
░░░░░░░▀███▀█░▄░░ Over brainly
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░░░░░░▐▀░░░░░░▐▌░░
░░░░░░█░░░░░░░░█░
do it or he will hunt you down and kill u (lets destroy the moderators!!!!!!!!)
we are slowing them down already! good work soilders!
Step-by-step explanation: