DONT ANSWER IF YOUR JUST GONNA ASK FOR BRAINLIEST AND WASTE MY TIME Evaluate the expression for the value given.
8(7-x) ; f or x - 2

For the given quadratic equation convert into vertex form, find the vertex and find the value for x=6 y=-2x^2+2x+2

What is the approximate circumference of the circle shown below?

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?