Reiko started a business selling home medical supplies. she spent $6500 to obtain her merchandise, and it costs her $550 per week for general expenses. she earned $900 per week in sales. what is the minimum number of weeks it will take for reiko to make a profit? write an inequality to model the problem.

For a read-a-thon, jay and odhràn each started reading a book at the same time and continued reading for several hours. jay's book had 278 pages, and he read 55 pages per hour. odhràn's book had 238 pages, and he read 45 pages per hour. after how many hours did they have the same number of pages left, and how many pages were left?

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?