Answer:
-9
Step-by-step explanation:
A negative times a positive make a negative outcome. (Using rule of integers)
2×4.5=9
Make it negative to get -9
Answer:
it is 31/20 but in mixed form it's

Answer:
2/5 = 4/10
4/10 = 40%
Explanation:
2/5 is a simplified fraction, and one of the bigger fractions it’s made by 4/10. Do you can use 4/10, but can also use 8/20, 20/50, 40/100, so on. Since we know that any fraction that of ten can be turned into a percentage easily (2/10=20%, 5/10=50%,9/10=%90), then 4/10 is equal to 40%. So 40% of the people in Jeremiah’s class are boys.
Answer:
1.2599
Step-by-step explanation:
Answer: 3. B) 1800 4. 4000 5. A) 20 5. B) 37.5
Step-by-step explanation: