Find the perimeter of the figure to the nearest tenth of a centimeter. FAKE ANSWERS WILL BE REPORTED please help

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account