The actual length of a pencil is 20 centimeters. Yuri estimated the length of the pencil was 18.2 centimeters. What is the percent error of Yuri's estimate? *)
The actual length is 20 cm. Yuri's estimate is 18.2 cm. Choose the
equation that shows the difference between the actual length and
the estimated length of the pencil. *)

Triangle abc is reflected over the line y=x triangle abc has points (-6,-,-1) and (-5,-6) what is the c coordinate

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 many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution