Which of the following statements are true about the function y = x?
i. The function is a direct variation.
ii. The function goes through the origin.
iii. The constant of variation is
3
iv. Y is 6, when x is 2.
.
I and II
I and III
I, II, and III
I, II and IV

The verbal translation for the difference of m and 7 increased by 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?

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?