1)
Solving from system of equations:
x- amount of 1 cent stamps
y- amount of 33 cent stamps

2)
x- amount of 20 cent stamops
y-amount of 34 cent stamps
From system of equations:
150 because you round the 4 because the number in the ones place is over 5.
Answer:
a.) 4
Step-by-step explanation:
a.)4
The answer would be B.
For these, you plug in 8 where there ia a variable. 2(8)-1=15
Answer:
I think the answer is 1
Step-by-step explanation:
-49÷7=-7
-7÷-7=1