What are the solutions when y=0
y=3x^2-21x+30

istg if you give me a link

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?

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0