Answer:
52.38%
Step-by-step explanation:
Given that,
Total number of students in the class is 42
Out of 42, 10 like hamburgers, 22 like pizza, 8 like french fries, and 2 like salad.
We need to find the percentage of the class chose pizza. There are 22 student who like to have pizza. Required percentage is given by :

So, 52.38% of students chose pizza.
Answer:
Radius: 4.2 cm
Diameter: 8.4 cm
Step-by-step explanation:
Radius: The number that is half the circle.
Diameter: The radius times 2
Answer:
The first answer should be the 3rd one.
The second answer should be the first one.
Step-by-step explanation:
(2x² + 7x + 10) - (x² + 2x - 9) =
2x² + 7x + 10 - x² - 2x + 9 =
x² + 5x + 19