Answer:
b equals 20
Step-by-step explanation:
b - 13 = 7
7 + 13 = b
7 + 13 = 20
The answer is 45600 as 621 is less than 650 and should be rounded down.
Answer:x= 0.5,−3
n>-6 and n<3 (there's your answer my friend)
A, B and D
Because all of these are true
1.72
:)
