Arectangle is 5 √7 + 2 √3 meters long and 6 √7 - 3 √3 meters wide. a. find the perimeter of the rectangle in simplest form. 2 b. find the area of the rectangle in simplest form.

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?

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

Kayaks rent for $35 per day. which expression can you use to find the cost in dollars of renting 3 kayaks for a day?