Answer:
1. -4
2. 10
3. -19
4. 5
Step-by-step explanation:
1. 5 + -9= -4
2. -3 + 13 = 10
3. -8 + 11 = -19
4. 6 + -1 = 5
Answer:
x = 1,3
Step-by-step explanation:



You have to find the least common variable, and that would be 10. multiply 2/10 by 10 to get 20/100. 4/100+20/100=24/100. it's C
Answer:
39 pages
Step-by-step explanation:
Divide 15 by 3 to find the unit rate, which is 3 pages for 1 hour. Multiply the 3 pages by 13 hours.
Answer:
x=5 and y=9
Step-by-step explanation:
Sub 1 into 2
2x-1 - x = 4
x= 4+1
x= 5
y= 2(5)-1
y= 10-1
y= 9