The area of a triangle varies jointly with the height of the triangle and the length of its base. the area of one triangle is 200 square centimeters when its height is 25 centimeters and its base length is 16 centimeters. what is the area of a triangle having a height of 20 centimeters and a base length of 15 centimeters?

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

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?