Answer:

Step-by-step explanation:
step 1
Convert mixed numbers to an improper fractions


step 2
we know that
A teacher reviews 9/2 papers per hour
using proportion
Find how many papers will the teacher review in 19/3 hours
Let
x-----> the number of papers



Convert to mixed numbers

Answer:
I'm not sure for which answer you're asking for so I'll give you all of them. On the tenth day, Chris will give away 1024 cards.
Step-by-step explanation:
On the fourth day he will give away 16, on the fifth day 32, on the sixth day 64, on the seventh say 132, on the eighth day 264, on the ninth day 528, and on the tenth day 1024
The ABC sequence of points is clockwise in both figures, so there will be an even number of reflections or a rotation.
Rotation 90° clockwise about the point (-3, -3) would make the required transformation, but that is not an option. An equivalent is ...
• reflection across the line x = -3
• reflection across the line y = x
Answer: The percent of change is 25%
Step-by-step explanation:
$525 - $393.75 = $131.25
131.25 (amount of change)/525 ( original amount) x 100
= 25%