Find the perimeter and round your answer to the nearest tenths. Can anyone help me with this? I cannot find any videos or examples like this and I'm extremely confused​

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

Titus works at a hotel. part of his job is to keep the complimentary pitcher of water at least half full and always with ice. when he starts his shift, the water level shows 4 gallons, or 128 cups of water. as the shift progresses, he records the level of the water every 10 minutes. after 2 hours, he uses a regression calculator to compute an equation for the decrease in water. his equation is w –0.414t + 129.549, where t is the number of minutes and w is the level of water. according to the equation, after about how many minutes would the water level be less than or equal to 64 cups?

Lisette takes an ela exam and got 16 out of 27 questions correct. what percentage of the questions did lisette get correct?