Answer:
the answer is a
Step-by-step explanation:
just did the test
Answer:
5x+4
Step-by-step explanation:
well the perimeter is the sum of all sides
so we have

Answer:
Positive numbers.
Step-by-step explanation:
Numbers after zero are positive numbers, which can be any number (whole or decimal/fraction). But numbers before zero are negative numbers which can be also whole or decimal fraction.
Example for numbers to the right of 0: 7, 6.5, 8/10
The answer for 2n + 5 - 3p +4 4n is 2