The sum of -2 and -7 is given as follows :
-2 + (-7)
In mathematical operations, + * - is - therefore
Now soo we have,
-2 – 7
This gives us: -9
Learn more about addition at : brainly.com/question/20691960
#SPJ4
Disclaimer : The complete question is given below.
Question :
For addition, drag tiles onto the board.
To form a group, place one tile on top of another.
What is the sum of -2 and -7?
Board sum: 0
Reset
Answer: 4 bags of plates plates 3 bags of cups 2 bags of forks
Step-by-step explanation:
48+48=96 32+32+32=96 24+24+24+24=96
Answer:
Find the slopes; 123 servings
Step-by-step explanation:
When you look at the graph and table, find out which ones have a slope of 1/2
To find slope you have to use this equation

So for each graph and table, calculate the slope using that formula :)
For the second question,
For every 10 students, the amount of juice dispensed was
7*4 + 3*8 = 52
So divide 52 by 10 to get 5.2
Then divide the total amount of juice (640) by 5.2 and that rounds to about 123 servings of juice
Answer:
Given - 3 chairs + 5 tables = 7540 rs
TO find - Price of table
Solution -
Price of chair is Rs 220 ( given)
1 chair = 220
3 chairs = ?
3 × 220
660 Rs
660 rs + 5 tables = 7540 rs
5 tables = 7540 - 660
5 tables = 6880
1 table = 6880/5
= 1376 rs
Price of 5 Table is 6880 and 1 table = 1376 rs