8) The Reel Good Cinema is conducting a mathematical study. In its theater, there are 200 seats. Adult tickets cost $10.00 and child tickets cost $5.00. The cinema's goal is to sell at least $1250 worth of
tickets for the theater.
Write a system of linear inequalities that can be used to find the possible combinations of adult tickets,
x, and child tickets, y, that would satisfy the cinema's goal.

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

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?

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show