Ming plays video games online. When he signed up with the game site, Ming got 200 points.
Ming earns 20 more points for each hour that he plays.

How many hours does Ming have to play to get to 500 points?

Acircle has a circumference of 28.36 units what is the diameter of the circle

Statement reason 1. δabc is similar to δced. given 2. 3. definition of slope 4. slope of slope of definition of slope 5. slope of × slope of multiplying the slopes 6. slope of × slope of substitution property of equality 7. slope of × slope of simplifying the right side the table contains the proof of the relationship between the slopes of two perpendicular lines. what is the reason for statement 2? a. parallel line segments that meet a common perpendicular line are proportional in length. b. the lengths of vertical and horizontal sides in congruent triangles are in a common ratio. c. trigonometric identities determine the lengths of the legs in a right triangle. d. corresponding side lengths in similar triangles are proportional in length.

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale