A man sold a square field of side 35 m and a rectangular field of length 51 m and breadth
25 m. He then purchased a square field of equal area. Find the side of the square field and the cost of fencing it at $1.50 per m. ​

Find the x-intercept and y-intercept of the line. 3x + 5y = −15

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?

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16