Answers
D 36
Step-by-step explanation:
77 is the area for the squared trapezoid and 36 is the closest to 77
Answer:
95
Step-by-step explanation:
Example:
If I give u a ratio of the number of teachers to students is 2:1 would mean that for every 2 teachers there is 1 student.
In question 10(a) the ratio of grey to black is 3:1 which means that the percentage would be 33%
In 10 (B) the ratio would be 6:4
Answer: 
Step-by-step explanation:
1. To find the equation asked, you must add the times:
Where 
is the time takes Lilly in her path to work and 
is the time takes Lilly in her path to home.
2. You must use the following formula of speed and solve for the time
Where n is the distance, V is the speed and t is the time.
3. You know that Lilly takes a train each day to work that averages 35 miles per hour, then, you can write the following expression:
4. And her train ride follows the same path at 45 miles per hour:
5. Then, you obtain the following equation:
Answer:
1. <
2. <
3. <
4. <
5. >
6. >
7. -2, 5, 6
8. -3, 0, 9
9. -1, 1, 6
10. 1, 0, -1
11. 2, 1, -12
12. -10, -11, -12
13. 205, 50, -5, -20
14. 78, 9, -78, -89
15. 60, 0, -2, -55
16. 28, 8, 0, -8
17. 38, 37, -37, -38
18. 11, 1, -1, -111
Explanation:
When it comes to negative and positive numbers you must be careful.
For a positive number, the bigger it is is the greater it'll get
For negative numbers, as the numbers continue to increase the less the value will become.
